def notate_note(self, note):
if note['pitch'] == 'rest':
n = Rest()
else:
if isinstance(note['pitch'], list):
pitches = []
for pitch_number in note['pitch']:
p = Pitch(pitch_number)
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
pitches.append(p)
n = Chord(notes=pitches)
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
d = Duration()
if note['duration'] == 0:
d.quarterLength = .125
d = d.getGraceDuration()
else:
d.fill(note['durations'])
n.duration = d
return n
def notate_score(musician_names, instrument_names, music):
score = Score()
for musician_name, instrument_name in zip(musician_names,
instrument_names):
instrument = get_instrument(instrument_name)
instrument.partName = instrument.instrumentName
instrument.partAbbreviation = instrument.instrumentAbbreviation
parts = []
part = Part()
parts.append(part)
part.insert(0, instrument)
score.insert(0, part)
score.insert(0, StaffGroup(parts))
notes = music[musician_name]
for pitches in notes:
if not pitches or pitches == 'stop':
note = Rest()
elif len(pitches) == 1:
pitch = Pitch(pitches[0] + 60)
note = Note(pitch)
else:
note = Chord(notes=[Pitch(p + 60) for p in pitches])
duration = Duration()
duration.fill([4.0])
note.duration = duration
part.append(note)
score.show('musicxml', '/Applications/Sibelius 7.5.app')
def generate_notes_in_batch(note_params_df,
output_dir,
audio_format='flac',
sample_rate=44100):
"""
Generates a batch of single note samples from the given table of parameters.
`note_params_df` - a Pandas Dataframe with columns:
`midi_number, midi_instrument, volume, duration, tempo`. Their meaning is the same as in generate_single_note.
`output_dir` - output directory for the MIDI files
Each sample goes to a single MIDI file named by the numeric index. Also each synthesized audio sample goes to a
"""
os.makedirs(output_dir, exist_ok=True)
fs = FluidSynth(sample_rate=sample_rate)
stream = Stream()
for i, row in note_params_df.iterrows():
stream.append(MetronomeMark(number=row['tempo']))
stream.append(make_instrument(int(row['midi_instrument'])))
duration = row['duration']
stream.append(
chord_with_volume(
Chord([
Note(midi=int(row['midi_number']),
duration=Duration(duration))
]), row['volume']))
stream.append(Rest(duration=Duration(2 * duration)))
midi_file = '{0}/all_samples.midi'.format(output_dir)
audio_file_stereo = '{0}/all_samples_stereo.{1}'.format(
output_dir, audio_format)
audio_file = '{0}/all_samples.{1}'.format(output_dir, audio_format)
audio_index_file = '{0}/all_samples_index.csv'.format(output_dir)
# TODO: We currently assume some fixed duration and tempo (1.0, 120)!!!
# The parts should be split according to an index.
audio_index = make_audio_index(note_params_df, 3.0, 0.5, sample_rate)
audio_index.to_csv(audio_index_file)
write_midi(stream, midi_file)
fs.midi_to_audio(midi_file, audio_file_stereo)
convert_to_mono(audio_file_stereo, audio_file)
os.remove(audio_file_stereo)
x, sample_rate = sf.read(audio_file)
parts = split_audio_to_parts(x, sample_rate, audio_index)
store_parts_to_files(parts, sample_rate, output_dir, audio_format)
def write_notation_cell(music, path, event_index):
score = Score()
metadata = Metadata()
metadata.title = ''
metadata.composer = ''
score.insert(0, metadata)
layout = ScoreLayout()
layout.scalingMillimeters = 1.25
layout.scalingTenths = 40
score.insert(0, layout)
for musician in music:
instrument_name = musician['instrument']
instrument = get_instrument(instrument_name)
instrument.partName = instrument.instrumentName
if instrument.instrumentName is 'Violoncello':
instrument.partName = 'Cello'
instrument.partAbbreviation = instrument.instrumentAbbreviation
parts = []
part = Part()
parts.append(part)
part.insert(0, instrument)
score.insert(0, part)
# score.insert(0, StaffGroup(parts))
for event in musician['music']:
pitches = event['pitches']
dur = event['duration']
# if not pitches or pitches == 'stop':
# note = Rest()
if len(pitches) == 1:
pitch = Pitch(pitches[0] + 60)
note = Note(pitch)
else:
note = Chord(notes=[Pitch(p + 60) for p in pitches])
duration = Duration()
duration.fill([dur])
note.duration = duration
part.append(note)
file_path = os.path.join(path, str(event_index).zfill(2))
musicxml_file_path = file_path + '.xml'
png_output_file_path = file_path + '.png'
score.write('musicxml', musicxml_file_path)
write_png_with_musescore(musicxml_file_path, png_output_file_path, dpi=600)
def make_music21_note(
pitch_number=None,
duration=1.0,
staccato=False,
tenuto=False,
accent=False,
falloff=False,
plop=False,
scoop=False,
doit=False,
breath_mark=False,
):
if pitch_number == None or pitch_number == 'rest':
n = Rest()
elif isinstance(pitch_number, list):
pitches = [Pitch(p) for p in pitch_number]
for p in pitches:
if p.accidental.name is 'natural':
p.accidental = None
n = Chord(pitches)
else:
p = Pitch(pitch_number)
if p.accidental.name is 'natural':
p.accidental = None
n = Note(p)
d = Duration()
d.quarterLength = duration
n.duration = d
if staccato:
n.articulations.append(Staccato())
if tenuto:
n.articulations.append(Tenuto())
if accent:
n.articulations.append(Accent())
if falloff:
n.articulations.append(Falloff())
if plop:
n.articulations.append(Plop())
if scoop:
n.articulations.append(Scoop())
if doit:
n.articulations.append(Doit())
if breath_mark:
n.articulations.append(BreathMark())
return n
def to_musicxml(sc_enc):
"Converts Chord tuples (see chorales.prepare_poly) to musicXML"
timestep = Duration(1. / FRAMES_PER_CROTCHET)
musicxml_score = Stream()
prev_chord = dict(
) # midi->(note instance from previous chord), used to determine tie type (start, continue, stop)
for has_fermata, chord_notes in sc_enc:
notes = []
if len(chord_notes) == 0: # no notes => rest for this frame
r = Rest()
r.duration = timestep
musicxml_score.append(r)
else:
for note_tuple in chord_notes:
note = Note()
if has_fermata:
note.expressions.append(expressions.Fermata())
note.midi = note_tuple[0]
if note_tuple[1]: # current note is tied
note.tie = Tie('stop')
if prev_chord and note.pitch.midi in prev_chord:
prev_note = prev_chord[note.pitch.midi]
if prev_note.tie is None:
prev_note.tie = Tie('start')
else:
prev_note.tie = Tie('continue')
notes.append(note)
prev_chord = {note.pitch.midi: note for note in notes}
chord = Chord(notes=notes, duration=timestep)
if has_fermata:
chord.expressions.append(expressions.Fermata())
musicxml_score.append(chord)
return musicxml_score
def generate(self, seq_len, a_par=0):
pattern = self.model_inp[self.start]
prediction_output = []
for note_index in range(seq_len):
prediction_input = pattern.reshape(1, seq_len, 2,
len(self.sorted_notes))
prediction_input = prediction_input / float(len(self.sorted_notes))
predictions = self.model.predict(prediction_input, verbose=0)[0]
for prediction in predictions:
index = np.argmax(prediction[0])
duration_i = np.argmax(prediction[1])
for name, value in self.sorted_notes.items():
if value == index:
result = name
break
else:
result = None
for name, value in self.sorted_durations.items():
if value == duration_i:
duration = name
break
else:
duration = None
prediction_output.append((result, Duration(duration)))
result = np.zeros_like(prediction)
result[0][index] = 1
result[1][duration_i] = 1
pattern = np.concatenate([pattern, [result]])
pattern = pattern[len(pattern) - seq_len:len(pattern)]
offset = 0
output_notes = []
for pattern, duration in prediction_output:
if pattern.isdigit() or ('.' in pattern):
notes_in_chord = pattern.split('.')
notes = []
for current_note in notes_in_chord:
new_note = Note(int(current_note))
new_note.duration = duration
new_note.storedInstrument = instrument.PanFlute()
notes.append(new_note)
new_chord = Chord(notes)
new_chord.offset = offset
output_notes.append(new_chord)
else:
new_note = Note(pattern)
new_note.offset = offset
new_note.storedInstrument = instrument.Flute()
output_notes.append(new_note)
offset += 0.6
midi_stream = stream.Stream(output_notes)
midi_stream.write('midi',
fp=f'my_music/{self.model.name}_{self.start}.mid')
def make_music21_score(
part_names=('violin', 'flute', 'oboe', 'clarinet', 'alto_saxophone',
'trumpet', 'bass', 'percussion'),
title='Title',
composer='Jonathan Marmor',
time_signature=None,
starting_tempo_bpm=60,
starting_tempo_quarter_duration=1.0,
timestamp=None,
):
if not timestamp:
timestamp = datetime.datetime.utcnow()
metadata = Metadata()
metadata.title = title
metadata.composer = composer
metadata.date = timestamp.strftime('%Y/%m/%d')
score = Score()
score.insert(0, metadata)
for part_name in part_names:
instrument_name, instrument_number = parse_part_name(part_name)
instrument = instrument_data[instrument_name]
part = Part()
metronome_mark = MetronomeMark(
number=starting_tempo_bpm,
referent=Duration(starting_tempo_quarter_duration))
part.append(metronome_mark)
if time_signature:
# Should be a string like '12/8'
music21_time_signature = TimeSignature(time_signature)
part.append(music21_time_signature)
m21_instrument = instrument['class']()
m21_instrument.partName = instrument['name']
m21_instrument.partAbbreviation = instrument['abbreviation']
if instrument_number > 1:
m21_instrument.partName = '{} {}'.format(instrument['name'],
instrument_number)
m21_instrument.partAbbreviation = '{} {}'.format(
instrument['abbreviation'], instrument_number)
part.insert(0, m21_instrument)
clef = instrument.get('clef')
if clef:
part.append(clef())
score.insert(0, part)
return score
def notate_note(note):
if note['pitch'] == 'rest':
n = Rest()
else:
if isinstance(note['pitch'], list):
pitches = []
for pitch_number in note['pitch']:
p = Pitch(pitch_number)
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
pitches.append(p)
n = Chord(notes=pitches)
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
d = Duration()
if note['duration'] == 0:
d.quarterLength = .125
d = d.getGraceDuration()
else:
# music21 docs say `fill` is for testing. I can't remember why I chose
# to use it originally. It works. But not for tuplets. Maybe this blog
# post contains a better solution:
# http://music21-mit.blogspot.com/2015/09/durations-and-durationtuples.html
d.fill(note['durations'])
n.duration = d
return n
def test():
stream = Stream()
n1 = Note('C4', duration=Duration(1.5))
n2 = Note('D4', duration=Duration(0.5))
n3 = Note('E4')
n4 = Note('F4')
n5 = Note('G4')
n6 = Note('A4')
n7 = Note('C4')
n8 = Note('D4').getGrace()
n9 = Note('E4').getGrace()
n10 = Note('F4')
n11 = Note('G4')
n12 = Note('A4', duration=Duration(0.5))
n13 = Note('A4', duration=Duration(0.5))
gliss1 = Glissando([n2, n3])
gliss2 = Glissando([n5, n6])
gliss3 = Glissando([n6, n7])
gliss4 = Glissando([n8, n9])
slur1 = Slur([n2, n3])
slur2 = Slur([n6, n7])
slur3 = Slur([n9, n10])
stream.append([n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13])
stream.insert(0, gliss1)
stream.insert(0, gliss2)
stream.insert(0, gliss3)
stream.insert(0, gliss4)
stream.insert(0, slur1)
stream.insert(0, slur2)
stream.insert(0, slur3)
return stream
def generate_single_note(midi_number,
midi_instrument=0,
volume=1.0,
duration=1.0,
tempo=120):
"""
Generates a stream containing a single note with given parameters.
midi_number - MIDI note number, 0 to 127
midi_instrument - MIDI intrument number, 0 to 127
duration - floating point number (in quarter note lengths)
volume - 0.0 to 1.0
tempo - number of quarter notes per minute (eg. 120)
Note that there's a quarter note rest at the beginning and at the end.
"""
return Stream([
MetronomeMark(number=tempo),
make_instrument(int(midi_instrument)),
chord_with_volume(
Chord([Note(midi=int(midi_number), duration=Duration(duration))]),
volume)
])
def append_chord(part, notes, duration, velocity):
c = Chord(notes, duration=Duration(duration))
c.volume = Volume(velocity=velocity)
part.append(c)
def __init__(self, ranges=False):
score = self.score = Score()
self.instruments = self.i = Instruments()
self.parts = Parts(self.i)
# Make Metadata
timestamp = datetime.datetime.utcnow()
metadata = Metadata()
metadata.title = 'Early Montreal'
metadata.composer = 'Jonathan Marmor'
metadata.date = timestamp.strftime('%Y/%m/%d')
score.insert(0, metadata)
[score.insert(0, part) for part in self.parts.l]
score.insert(0, StaffGroup(self.parts.l))
if ranges:
# Don't make a piece, just show the instrument ranges
for inst, part in zip(self.instruments.l, self.parts.l):
measure = Measure()
measure.timeSignature = TimeSignature('4/4')
low = Note(inst.lowest_note)
measure.append(low)
high = Note(inst.highest_note)
measure.append(high)
part.append(measure)
return
# 18 to 21 minutes
piece_duration_minutes = scale(random.random(), 0, 1, 18, 21)
# Make the "songs"
songs = []
total_minutes = 0
n = 1
while total_minutes < piece_duration_minutes:
print 'Song {}'.format(n)
n += 1
song = Song(self)
songs.append(song)
total_minutes += song.duration_minutes
# Make notation
previous_duration = None
for song in songs:
for bar in song.bars:
for part in bar.parts:
measure = Measure()
if bar.tempo:
measure.insert(
0,
MetronomeMark(number=bar.tempo,
referent=Duration(1)))
measure.leftBarline = 'double'
if bar.duration != previous_duration:
ts = TimeSignature('{}/4'.format(bar.duration))
measure.timeSignature = ts
# Fix Durations
durations = [note['duration'] for note in part['notes']]
components_list = split_at_beats(durations)
components_list = [
join_quarters(note_components)
for note_components in components_list
]
for note, components in zip(part['notes'],
components_list):
note['durations'] = components
for note in part['notes']:
if note['pitch'] == 'rest':
n = Rest()
if isinstance(note['pitch'], list):
pitches = []
for pitch_number in note['pitch']:
p = Pitch(pitch_number)
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
pitches.append(p)
n = Chord(notes=pitches)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
d = Duration()
if note['duration'] == 0:
d.quarterLength = .5
d = d.getGraceDuration()
else:
d.fill(note['durations'])
n.duration = d
measure.append(n)
self.parts.d[part['instrument_name']].append(measure)
previous_duration = bar.duration
def build_midi(harmony, melody):
chords_dict = get_chord_dicts()[1]
song = []
for i, eighth in enumerate(melody):
# eighth = multi_hot_to_pianoroll(piano_roll[:midi_range]) # now make_music returns pianorolls already
# chord = one_hot_to_index(piano_roll[-chord_classes:]) # TODO add chord to midi
# print(f'EIGHTH: {eighth}') # DEBUG
song_notes = []
for note_ in eighth:
note_name = NOTES[note_%12]
note_octave = start_octave + note_//12 # starting from C2
song_notes.append(note_name + str(note_octave))
song_chords = []
full_chord = chords_dict[harmony[i]]
if full_chord != '<unk>':
for chord_ in full_chord:
chord_name = NOTES[chord_%12]
song_chords.append(chord_name + str(start_octave-1))
song.append(("REST" if len(song_notes) == 0 else song_notes, "REST" if len(song_chords) == 0 else song_chords))
notes_score = Score()
notes_score.append(instrument.Piano())
chords_score = Score()
chords_score.append(instrument.KeyboardInstrument())
bass_score = Score()
bass_score.append(instrument.ElectricBass())
current_note_length = 0
current_chord_length = 0
for i, _ in enumerate(song):
current_note_length += 0.5
current_chord_length += 0.5
# print(f'NOTE: {song[i][0]}\t\t\t- CHORD: {song[i][1]}')
if i < len(song)-1:
# note
if song[i][0] != song[i+1][0]:
if song[i][0] == "REST":
notes_score.append(note.Rest(duration=Duration(current_note_length)))
else:
notes_score.append(chord.Chord([note.Note(nameWithOctave=note_name) for note_name in song[i][0]], duration=Duration(current_note_length)))
current_note_length = 0
# chord
if song[i][1] != song[i+1][1] or current_chord_length == 4:
if song[i][1] == "REST":
chords_score.append(note.Rest(duration=Duration(current_chord_length)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/4)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/4)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/2)))
else:
chords_score.append(chord.Chord([note.Note(nameWithOctave=chord_name) for chord_name in song[i][1]], duration=Duration(current_chord_length)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/4)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/4)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/2)))
current_chord_length = 0
else:
# note
if song[i][0] == "REST":
notes_score.append(note.Rest(duration=Duration(current_note_length)))
else:
notes_score.append(chord.Chord([note.Note(nameWithOctave=note_name) for note_name in song[i][0]], duration=Duration(current_note_length)))
# chord
if song[i][1] == "REST":
chords_score.append(note.Rest(duration=Duration(current_chord_length)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/4)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/4)))
bass_score.append(note.Rest(duration=Duration(current_chord_length/2)))
else:
chords_score.append(chord.Chord([note.Note(nameWithOctave=chord_name) for chord_name in song[i][1]], duration=Duration(current_chord_length)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/4)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/4)))
bass_score.append(chord.Chord([note.Note(nameWithOctave=chord_name[:-1]+str(int(chord_name[-1])+1)) for chord_name in song[i][1]], duration=Duration(current_chord_length/2)))
song_stream = Stream()
song_stream.insert(0, notes_score)
song_stream.insert(0, chords_score)
song_stream.insert(0, bass_score)
if not os.path.exists('melodies'):
os.makedirs('melodies')
dt = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
song_stream.write('midi', fp=f'melodies/generated_{dt}.mid')
from collections import namedtuple
import music21
from music21.chord import Chord
from music21.note import Note
from music21.duration import Duration
from music21.interval import notesToChromatic
# Cannot use name 'Chord', already taken
HarmonyChord = namedtuple('HarmonyChord', ['name', 'notes'])
WHOLE_NOTE = Duration(4.0)
# How bad a interval sounds (given number of semitones)
CHROMATIC_PENALTY = {
0: 0,
1: 2,
2: 1,
3: 0,
4: 0,
5: 0,
6: 2,
}
C_MAJ = HarmonyChord(name='C', notes=['c3', 'e3', 'g3', 'c4'])
G_MAJ = HarmonyChord(name='G', notes=["g2", "b2", "d3", "g3"])
A_MIN = HarmonyChord(name='Am', notes=["a2", "c3", "e3", "a3"])
B_MIN = HarmonyChord(name='Bm', notes=["b2", "d3", "f#3", "b3"])
D_MAJ = HarmonyChord(name='D', notes=["d3", "f#3", "a3", "d4"])
E_MIN = HarmonyChord(name='Em', notes=["e3", "g3", "b3", "e4"])
F_MAJ = HarmonyChord(name='F', notes=["f2", "a2", "c3", "f3"])
def generate(tune, clef=m21.clef.TrebleClef()):
# Load in the score
score = m21utils.loadScoreForTune(tune)
# Some basic preprocessing / cleanup
score.parts[0].removeByClass('Instrument')
score.parts[0].partName = None
m21.harmony.realizeChordSymbolDurations(score) ## Argh!!!
# Go measure by measure and build the study
measures = score.parts[0].getElementsByClass("Measure")
for measure in measures:
# print measure
# Remove any existing notes in the measure (we're about to add our own)
measure.removeByClass('Note')
# Grab the list of chord symbols in this measure
chordSymbols = measure.getElementsByClass(
'ChordSymbol').matchingElements()
# Remove the chord symbols so we can add them back interleaved with the notes
# we're about to add
measure.removeByClass('ChordSymbol')
# Add notes for each chord symbol
for symbol in chordSymbols:
measure.append(symbol)
# print symbol.duration.quarterLength
n3 = Note(symbol.third)
n3.duration = Duration(symbol.duration.quarterLength * 0.50)
n3.octave = 5
n3.lyric = '3'
measure.append(n3)
if (symbol.containsSeventh()):
n7 = m21.note.Note(symbol.seventh)
n7.duration = Duration(symbol.duration.quarterLength * 0.50)
n7.lyric = '7'
n7.octave = 5
measure.append(n7)
else:
n5 = m21.note.Note(symbol.root())
n5.duration = Duration(symbol.duration.quarterLength * 0.50)
n5.lyric = 'R'
n5.octave = 5
measure.append(n5)
# TODO: don't think this is needed
# if measure.number % 4 == 0:
# measure.append(m21.layout.SystemLayout(isNew=True))
# for x in range(len(c)):
# MyMeasure = Measure() ## Make a measure and put everything inside it
# MyMeasure.number = m.number ## give the measure a number
# MyMeasure.rightBarline = m.rightBarline
# MyMeasure.leftBarline = m.leftBarline
# # print("_____________________")
# # print("In measure "+ str(m.number) + "(" + str(m.id) + ")" +" of " + str(len(s)) ) #debug monitoring
# c = m.getElementsByClass(ChordSymbol)
# for x in range(len(c)):
# # print(c[x].duration)
# # print(c[x].beat)
# # print (c[x].figure)
# # print("--------------------")
# TheFigure = c[x].figure
# MyChord = Chord(c[x].pitches)
# MySymbol = ChordSymbol()
# ######## Fix XML chord symbols ############
# if (TheFigure.find(" alter b9") != -1):
# MySymbol = m21utils.writeFlatNine(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add b9") != -1):
# MySymbol = m21utils.writeFlatNine(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add #9") != -1):
# MySymbol = m21utils.writeSharpNine(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add #7") != -1):
# MySymbol = m21utils.writeSharpSeven(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add #11") != -1):
# MySymbol = m21utils.writeSharpEleven(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add b13") != -1):
# MySymbol = m21utils.writeFlatThirteen(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" add b6") != -1):
# MySymbol = m21utils.writeFlatSix(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" alter b5") != -1):
# MySymbol = m21utils.writeHalfDim(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find(" alter #5") != -1):
# MySymbol = m21utils.writeSharpFive(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# elif (TheFigure.find("pedal") != -1):
# MySymbol = m21utils.writePedal(MyMeasure, c[x].pitches[0].name,c[x].duration,c[x].chordKind)
# else:
# if (c[x].duration.type != "zero"):
# if (c[x].root().name != c[x].bass().name):
# # print (c[x].root().name, c[x].bass().name)
# MySymbol = ChordSymbol(root=c[x].root(), bass=c[x].bass(), kind=c[x].chordKind)
# else:
# MySymbol = ChordSymbol(root=c[x].root(), bass=c[x].root(), kind=c[x].chordKind)
# MySymbol.duration = c[x].duration
# MyMeasure.append(MySymbol)
# # print("Wrote chord " + str(MySymbol.figure) + "...")
# n3 = Note(MySymbol.third)
# n3.duration = Duration(c[x].duration.quarterLength * 0.50)
# # n3.lyric = '3rd'
# n3.octave = 5
# MyMeasure.append(n3)
# if (MySymbol.containsSeventh()):
# n7 = m21.note.Note(MySymbol.seventh)
# n7.duration = Duration(c[x].duration.quarterLength * 0.50)
# # n7.lyric = '7th'
# n7.octave = 5
# MyMeasure.append(n7)
# else:
# n5 = m21.note.Note(MySymbol.root())
# n5.duration = Duration(c[x].duration.quarterLength * 0.50)
# # n5.lyric = 'R'
# n5.octave = 5
# MyMeasure.append(n5)
# if ((m.number)%4 == 0):
# sl = m21.layout.SystemLayout(isNew=True)
# MyMeasure.append(sl)
# MyScore.append(MyMeasure)
# Set metadata
title = tune + ' - Guide Tone Study'
score.metadata = m21.metadata.Metadata()
score.metadata.title = title
score.metadata.movementName = ' ' # For some reason this works, None and '' don't...
score.metadata.composer = 'Greg Pascale'
return score
def __init__(self, n, piece, movement, quadlet, couplet, lines):
self.n = n
self.piece = piece
self.movement = movement
self.quadlet = quadlet
self.couplet = couplet
self.lines = lines
self.duration = quadlet.phrase_duration
self.first = False
if n == 1 and couplet.n == 1:
self.first = True
for line in lines:
# print ('.' * int(line['rhythm'][0] * 2)) + ('-' * int(line['rhythm'][1] * 2)) + ('.' * int(line['rhythm'][2] * 2))
part = piece.parts.d[line['instrument']]
measure = Measure()
if self.first and quadlet.previous_phrase_duration != self.duration:
ts = TimeSignature('{}/4'.format(self.duration), self.duration)
# ts.beatSequence.partitionByList(subdivide(self.duration, 4))
# for i, b in enumerate(ts.beatSequence):
# if b.duration.quarterLength == 4:
# ts.beatSequence[i] = b.subdivide(2)
# # ts.beatSequence[i][0] = b.subdivide(2)
# # ts.beatSequence[i][1] = b.subdivide(2)
# elif b.duration.quarterLength == 3:
# ts.beatSequence[i] = b.subdivideByList([2, 1])
# # ts.beatSequence[i][0] = ts.beatSequence[i].subdivide(2)
# elif b.duration.quarterLength == 2:
# ts.beatSequence[i] = b.subdivide(2)
measure.timeSignature = ts
r1_dur, note_dur, r2_dur = line['rhythm']
line['notes'] = []
if r1_dur > 0:
line['notes'].append({
'duration': r1_dur,
'pitch': 'rest'
})
line['notes'].append({
'duration': note_dur,
'pitch': line['pitch']
})
if r2_dur > 0:
line['notes'].append({
'duration': r2_dur,
'pitch': 'rest'
})
self.fix_durations(line['notes'])
for note in line['notes']:
if note['pitch'] == 'rest':
n = Rest()
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
d = Duration()
d.fill(note['durations'])
n.duration = d
measure.append(n)
# if r1_dur > 0:
# r1 = Rest()
# r1.duration = Duration(r1_dur)
# measure.append(r1)
# p = Pitch(line['pitch'])
# # Force all flats
# if p.accidental.name == 'sharp':
# p = p.getEnharmonic()
# note = Note(p)
# note.duration = Duration(note_dur)
# measure.append(note)
# if r2_dur > 0:
# r2 = Rest()
# r2.duration = Duration(r2_dur)
# measure.append(r2)
part.append(measure)
# Put full measure rests in instruments that aren't playing
playing = [line['instrument'] for line in lines]
resting = [i for i in piece.instruments.names if i not in playing]
for i in resting:
# print '.' * self.duration * 2
part = piece.parts.d[i]
measure = Measure()
if self.first and quadlet.previous_phrase_duration != self.duration:
ts = TimeSignature('{}/4'.format(self.duration), self.duration)
# ts.beatSequence.subdivideNestedHierarchy(3)
# ts.beatSequence.partitionByList(subdivide(self.duration, 4))
# for i, b in enumerate(ts.beatSequence):
# if b.duration.quarterLength == 4:
# ts.beatSequence[i] = b.subdivide(2)
# # ts.beatSequence[i][0] = b.subdivide(2)
# # ts.beatSequence[i][1] = b.subdivide(2)
# elif b.duration.quarterLength == 3:
# ts.beatSequence[i] = b.subdivideByList([2, 1])
# # ts.beatSequence[i][0] = ts.beatSequence[i].subdivide(2)
# elif b.duration.quarterLength == 2:
# ts.beatSequence[i] = b.subdivide(2)
measure.timeSignature = ts
r = Rest()
r.duration = Duration(self.duration)
measure.append(r)
# fixed_measure = measure.sliceByBeat()
# part.append(fixed_measure)
part.append(measure)
def __init__(self, number, piece, movement):
self.number = number
self.piece = piece
self.movement = movement
instrument_opts = piece.instruments.names[:]
self.note_opts = {}
for name in instrument_opts:
self.note_opts[name] = piece.i.d[name].all_notes
form = self.form = song_forms.choose()
self.duration = len(form) * 4
self.type = 'solo'
if number % 2:
self.type = 'ensemble'
if self.type == 'solo':
if len(movement.solo_ensemble_options) == 0:
movement.solo_ensemble_options = piece.i.get_unison_ensembles(min_notes=6)
print 'Hey, we ran out of unison ensembles! Cool!'
solo_ensemble_hash = random.choice(movement.solo_ensemble_options.keys())
self.soloists = movement.solo_ensemble_options[solo_ensemble_hash]['instruments']
self.soloist_names = [s.nickname for s in self.soloists]
self.soloists_shared_notes = movement.solo_ensemble_options[solo_ensemble_hash]['notes']
# Remove chosen ensemble from options
del movement.solo_ensemble_options[solo_ensemble_hash]
# remove chosen soloists from instrument options for the song
for soloist in self.soloist_names:
instrument_opts.remove(soloist)
self.accompanist_names = instrument_opts
len_accompanists = len(self.accompanist_names)
if len_accompanists == 2:
ensemble_size = 2
elif len_accompanists == 3:
ensemble_size = random.choice([2, 3])
elif len_accompanists == 4:
ensemble_size = random.choice([1, 2, 3, 4])
self.accompanist_names = random.sample(self.accompanist_names, ensemble_size)
else:
# who plays, who sits out?
# ensemble_size = weighted_choice([3, 4, 5, 6], [1, 4, 5, 4])
# self.ensemble_names = random.sample(instrument_opts, ensemble_size)
# Everyone plays
self.ensemble_names = instrument_opts
# make a phrase for each unique part of the form (eg, an `a` in `abacabac`)
unique_phrases = []
for f in set(form):
if self.type == 'solo':
PhraseClass = SoloPhrase
elif self.type == 'ensemble':
PhraseClass = EnsemblePhrase
unique_phrases.append(PhraseClass(piece, movement, self))
# Copy the phrases in the order specified by form
phrases = []
for f in form:
phrases.append(unique_phrases[f])
# Render phrases as music21 objects
for phrase in phrases:
for part in phrase.parts:
measure = Measure()
if movement.first_measure:
ts = TimeSignature('4/4')
# ts.beatSequence = ts.beatSequence.subdivide(4)
ts.beamSequence = ts.beamSequence.subdivide(4)
# ts.beatSequence.partitionByList(subdivide(self.duration, 4))
# for i, b in enumerate(ts.beatSequence):
# if b.duration.quarterLength == 4:
# ts.beatSequence[i] = b.subdivide(2)
# # ts.beatSequence[i][0] = b.subdivide(2)
# # ts.beatSequence[i][1] = b.subdivide(2)
# elif b.duration.quarterLength == 3:
# ts.beatSequence[i] = b.subdivideByList([2, 1])
# # ts.beatSequence[i][0] = ts.beatSequence[i].subdivide(2)
# elif b.duration.quarterLength == 2:
# ts.beatSequence[i] = b.subdivide(2)
measure.timeSignature = ts
# ts.getBeams()
self.fix_durations(part['notes'])
for note in part['notes']:
if note['pitch'] == 'rest':
n = Rest()
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
d = Duration()
d.fill(note['durations'])
n.duration = d
measure.append(n)
# if len(measure.notesAndRests) > 1:
# measure.sliceByBeat(inPlace=True)
# measure.makeBeams(inPlace=True)
piece.parts.d[part['instrument_name']].append(measure)
movement.first_measure = False
def melody_and_chords_streams(self) -> Tuple[Stream, Stream]:
"""
The chord stream contains realized chords and chord symbols and rests for NC
:return:
"""
melody = Stream()
chord_dict = defaultdict(list)
measure_duration = None
for measure_idx, measure in enumerate(
self.ls.recurse().getElementsByClass(Measure)):
if measure_duration is None:
measure_duration = measure.duration.quarterLength
else:
if measure_duration != measure.duration.quarterLength:
raise WrongBarDurationError()
mel_measure = measure.cloneEmpty()
if measure_idx == 0:
anacrusis = measure.barDuration.quarterLength - measure.duration.quarterLength
if anacrusis:
mel_measure.append(Rest(duration=Duration(anacrusis)))
for elt in measure:
if elt.isClassOrSubclass((ChordSymbol, )):
chord_dict[measure_idx].append(elt)
else:
mel_measure.append(deepcopy(elt))
melody.append(mel_measure)
chords = deepcopy(melody)
clef = None
for _clef in chords.recurse().getElementsByClass(Clef):
clef = _clef
break
if clef:
clef.activeSite.insert(0, BassClef())
clef.activeSite.remove(clef)
last_chord_symbol = None
for measure_idx, measure in enumerate(
chords.getElementsByClass(Measure)):
original_measure_duration = measure.duration.quarterLength
measure.removeByClass([Rest, Note])
if chord_dict[measure_idx]:
beats = [floor(ch.beat) for ch in chord_dict[measure_idx]] \
+ [1 + original_measure_duration]
durations = [(beats[i + 1] - beats[i])
for i in range(len(beats) - 1)]
if beats[0] > 1:
if last_chord_symbol is None:
measure.insert(0,
Rest(duration=Duration(beats[0] - 1)))
else:
_cs = deepcopy(last_chord_symbol)
_cs.duration = Duration(beats[0] - 1)
measure.insert(0, _cs)
for chord_symbol_idx, chord_symbol in enumerate(
chord_dict[measure_idx]):
chord_symbol.duration = Duration(
durations[chord_symbol_idx])
measure.insert(beats[chord_symbol_idx] - 1, chord_symbol)
last_chord_symbol = chord_symbol
else:
if last_chord_symbol is None:
measure.insert(
0, Rest(duration=Duration(original_measure_duration)))
else:
_cs = deepcopy(last_chord_symbol)
_cs.duration = Duration(original_measure_duration)
measure.insert(0, _cs)
return melody, chords
def __init__(self, ranges=False):
score = self.score = Score()
self.instruments = self.i = Instruments()
self.parts = Parts(self.i)
# Make Metadata
timestamp = datetime.datetime.utcnow()
metadata = Metadata()
metadata.title = 'Early Montreal'
metadata.composer = 'Jonathan Marmor'
metadata.date = timestamp.strftime('%Y/%m/%d')
score.insert(0, metadata)
[score.insert(0, part) for part in self.parts.l]
score.insert(0, StaffGroup(self.parts.l))
if ranges:
# Don't make a piece, just show the instrument ranges
for inst, part in zip(self.instruments.l, self.parts.l):
measure = Measure()
measure.timeSignature = TimeSignature('4/4')
low = Note(inst.lowest_note)
measure.append(low)
high = Note(inst.highest_note)
measure.append(high)
part.append(measure)
return
# 18 to 21 minutes
piece_duration_minutes = scale(random.random(), 0, 1, 18, 21)
# Make the "songs"
songs = []
total_minutes = 0
n = 1
while total_minutes < piece_duration_minutes:
print 'Song {}'.format(n)
n += 1
song = Song(self)
songs.append(song)
total_minutes += song.duration_minutes
# Make notation
previous_duration = None
for song in songs:
for bar in song.bars:
for part in bar.parts:
measure = Measure()
if bar.tempo:
measure.insert(0, MetronomeMark(number=bar.tempo, referent=Duration(1)))
measure.leftBarline = 'double'
if bar.duration != previous_duration:
ts = TimeSignature('{}/4'.format(bar.duration))
measure.timeSignature = ts
# Fix Durations
durations = [note['duration'] for note in part['notes']]
components_list = split_at_beats(durations)
components_list = [join_quarters(note_components) for note_components in components_list]
for note, components in zip(part['notes'], components_list):
note['durations'] = components
for note in part['notes']:
if note['pitch'] == 'rest':
n = Rest()
if isinstance(note['pitch'], list):
pitches = []
for pitch_number in note['pitch']:
p = Pitch(pitch_number)
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
pitches.append(p)
n = Chord(notes=pitches)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
else:
p = Pitch(note['pitch'])
# Force all flats
if p.accidental.name == 'sharp':
p = p.getEnharmonic()
n = Note(p)
# TODO add slurs
# TODO add glissandos
# TODO add -50 cent marks
d = Duration()
if note['duration'] == 0:
d.quarterLength = .5
d = d.getGraceDuration()
else:
d.fill(note['durations'])
n.duration = d
measure.append(n)
self.parts.d[part['instrument_name']].append(measure)
previous_duration = bar.duration
from music21.instrument import fromString as get_instrument
from music21.clef import BassClef
timestamp = datetime.datetime.utcnow()
metadata = Metadata()
metadata.title = 'The Title'
metadata.composer = 'Jonathan Marmor'
metadata.date = timestamp.strftime('%Y/%m/%d')
score = Score()
score.insert(0, metadata)
part = Part()
parts = [part]
oboe = get_instrument('oboe')
part.insert(0, oboe)
score.insert(0, part)
score.insert(0, StaffGroup(parts))
for dur in [[1, .5], [.25], [.25, 2]]:
pitch = Pitch(60)
note = Note(pitch)
duration = Duration()
duration.fill(dur)
note.duration = duration
part.append(note)
score.show('musicxml', '/Applications/Sibelius 7.5.app')
def generate(tune, clef=m21.clef.TrebleClef()):
score = m21utils.loadScoreForTune(tune)
# print 'score', score
s = score.parts[0].getElementsByClass("Measure")
m21.harmony.realizeChordSymbolDurations(s) ## Needed to make this work!
MyScore = m21.stream.Score()
MyScore.append(s[0].keySignature) ## get key from document
MyScore.append(clef) #add clef
for m in s:
MyMeasure = Measure() ## Make a measure and put everything inside it
MyMeasure.number = m.number ## give the measure a number
MyMeasure.rightBarline = m.rightBarline
MyMeasure.leftBarline = m.leftBarline
# print("_____________________")
# print("In measure "+ str(m.number) + "(" + str(m.id) + ")" +" of " + str(len(s)) ) #debug monitoring
c = m.getElementsByClass(ChordSymbol)
for x in range(len(c)):
# print(c[x].duration)
# print(c[x].beat)
# print (c[x].figure)
# print("--------------------")
TheFigure = c[x].figure
MyChord = Chord(c[x].pitches)
MySymbol = ChordSymbol()
######## Fix XML chord symbols ############
if (TheFigure.find(" alter b9") != -1):
MySymbol = m21utils.writeFlatNine(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add b9") != -1):
MySymbol = m21utils.writeFlatNine(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add #9") != -1):
MySymbol = m21utils.writeSharpNine(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add #7") != -1):
MySymbol = m21utils.writeSharpSeven(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add #11") != -1):
MySymbol = m21utils.writeSharpEleven(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add b13") != -1):
MySymbol = m21utils.writeFlatThirteen(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find(" add b6") != -1):
MySymbol = m21utils.writeFlatSix(MyMeasure,
c[x].pitches[0].name,
c[x].duration, c[x].chordKind)
elif (TheFigure.find(" alter b5") != -1):
MySymbol = m21utils.writeHalfDim(MyMeasure,
c[x].pitches[0].name,
c[x].duration, c[x].chordKind)
elif (TheFigure.find(" alter #5") != -1):
MySymbol = m21utils.writeSharpFive(MyMeasure,
c[x].pitches[0].name,
c[x].duration,
c[x].chordKind)
elif (TheFigure.find("pedal") != -1):
MySymbol = m21utils.writePedal(MyMeasure, c[x].pitches[0].name,
c[x].duration, c[x].chordKind)
else:
if (c[x].duration.type != "zero"):
if (c[x].root().name != c[x].bass().name):
# print (c[x].root().name, c[x].bass().name)
MySymbol = ChordSymbol(root=c[x].root(),
bass=c[x].bass(),
kind=c[x].chordKind)
else:
MySymbol = ChordSymbol(root=c[x].root(),
bass=c[x].root(),
kind=c[x].chordKind)
MySymbol.duration = c[x].duration
MyMeasure.append(MySymbol)
# print("Wrote chord " + str(MySymbol.figure) + "...")
n3 = Note(MySymbol.third)
n3.duration = Duration(c[x].duration.quarterLength * 0.50)
# n3.lyric = '3rd'
n3.octave = 5
MyMeasure.append(n3)
if (MySymbol.containsSeventh()):
n7 = m21.note.Note(MySymbol.seventh)
n7.duration = Duration(c[x].duration.quarterLength * 0.50)
# n7.lyric = '7th'
n7.octave = 5
MyMeasure.append(n7)
else:
n5 = m21.note.Note(MySymbol.root())
n5.duration = Duration(c[x].duration.quarterLength * 0.50)
# n5.lyric = 'R'
n5.octave = 5
MyMeasure.append(n5)
if ((m.number) % 4 == 0):
sl = m21.layout.SystemLayout(isNew=True)
MyMeasure.append(sl)
MyScore.append(MyMeasure)
# Set metadata
title = tune + ' - Guide Tone Study'
MyScore.metadata = m21.metadata.Metadata()
MyScore.metadata.title = title
MyScore.metadata.movementName = ' ' # For some reason this works, None and '' don't...
MyScore.metadata.composer = 'Greg Pascale'
return MyScore