def play_music(self, x, y): ''' Generate sounds from data to be used for each coordinate. x and y are the coordinates of any image point. ''' scale = build_scale('C', mode='major', octaves=1) notes = note_number(self.data, scale) note = notes[y,x] melody = parse(note_name(note, scale)) midi_out = StringIO() write('Oc.midi', [melody]) os.system('fluidsynth --audio-driver=alsa /usr/share/sounds/sf2/FluidR3_GM.sf2 Oc.midi')
def play_music(self, x, y): ''' Generate sounds from data to be used for each coordinate. x and y are the coordinates of any image point. ''' scale = build_scale('C', mode='major', octaves=1) notes = note_number(self.data, scale) note = notes[y,x] melody = parse(note_name(note, scale)) midi_out = StringIO() write('Oc.midi', [melody]) pygame.mixer.init() music = pygame.mixer.Sound('Oc.midi') pygame.mixer.music.load('Oc.midi') pygame.mixer.music.play()
def test_write_midi(self): """ Writing out test.mid to ensure midi processing works. This isn't really a test. """ from sebastian.core import OSequence, Point from sebastian.core import OFFSET_64, MIDI_PITCH, DURATION_64 test = OSequence([ Point({OFFSET_64: o, MIDI_PITCH: m, DURATION_64: d}) for (o, m, d) in [ (0, 60, 16), (16, 72, 16), (32, 64, 16), (48, 55, 16), (64, 74, 16), (80, 62, 16), (96, 50, 16), (112, 48, 16), (128, 36, 16), (144, 24, 16), (160, 40, 16), (176, 55, 16), (192, 26, 16), (208, 38, 16), (224, 50, 16), (240, 48, 16) ] ]) from sebastian.midi.write_midi import write write("test.mid", [test])
def test_write_midi_multi_tacks(self): """ Writing out test.mid to ensure midi processing works. This isn't really a test. """ from sebastian.core import OSequence, Point from sebastian.core import OFFSET_64, MIDI_PITCH, DURATION_64 test1 = OSequence([ Point({OFFSET_64: o, MIDI_PITCH: m, DURATION_64: d}) for (o, m, d) in [ (0, 60, 16), (16, 72, 16), (32, 64, 16), (48, 55, 16), ] ]) test2 = OSequence([ Point({OFFSET_64: o, MIDI_PITCH: m, DURATION_64: d}) for (o, m, d) in [ (0, 55, 16), (16, 55, 16), (32, 64, 16), (48+16, 55, 16*10), ] ]) from sebastian.midi.write_midi import write write("test2.mid", [test1, test2], instruments=[0,16], title="test song")
# Create the basic interval pattern. intervals = HSeq({DEGREE: x} for x in [1, 5, 1, 4, 1, 5, 1]) # Create the rhythm rhythm = HSeq({DURATION_64: x} for x in [128, 64, 64, 64, 64, 64, 64]) # Set specific chords to be used in certain measures. intervals[1]["chord"] = (-3, -1, 0, 2) # second inversion 7th intervals[3]["chord"] = (-3, 0, 2) # second inversion intervals[5]["chord"] = (-5, -3, 0) # first inversion # Combine the sequences, make them chords, produce alberti on the chords, # fill with each being 8, expand it to a flat sequence. melody = intervals & rhythm | chord() | alberti | fill(8) | expand # Define our key C_major = Key("C", major_scale) #key(major_scale(-2)) # Set the degree, add the midi pitch, make it an OSequence, add debugging information. return melody | degree_in_key_with_octave(C_major, 5) | midi_pitch() | OSequence | debug if __name__ == "__main__": movement = build_movement() for point in movement: pprint(point) write_midi.write("first_movement.mid", [movement])
from sebastian.lilypond import write_lilypond # construct sequences using lilypond syntax melody = parse("e4 e f g g f e d c c d e") A = parse("e4. d8 d2") Aprime = parse("d4. c8 c2") two_bars = melody + A + melody + Aprime two_bars = two_bars | midi_to_pitch() two_bars = two_bars | add({"octave": 5}) velocities = [ "pppppp", "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf", "f", "ff", "fff", "ffff" ] for d in velocities: two_bars_with_dynamics = two_bars | dynamics(d) write_midi.write("ode_%s.mid" % (d, ), [two_bars_with_dynamics]) two_bars_ff_lily = two_bars | dynamics("ff") | lilypond() write_lilypond.write("ode_ff.ly", two_bars_ff_lily) crescendo = two_bars | dynamics("ppp", "ff") write_midi.write("ode_crescendo.mid", [crescendo]) write_lilypond.write("ode_crescendo.ly", crescendo | lilypond()) diminuendo = two_bars | dynamics("mf", "pppp") write_midi.write("ode_diminuendo.mid", [diminuendo]) write_lilypond.write("ode_diminuendo.ly", diminuendo | lilypond())
from sebastian.lilypond.interp import parse from sebastian.core.transforms import dynamics, lilypond, midi_to_pitch, add from sebastian.midi import write_midi from sebastian.lilypond import write_lilypond # construct sequences using lilypond syntax melody = parse("e4 e f g g f e d c c d e") A = parse("e4. d8 d2") Aprime = parse("d4. c8 c2") two_bars = melody + A + melody + Aprime two_bars = two_bars | midi_to_pitch() two_bars = two_bars | add({"octave": 5}) velocities = ["pppppp", "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf", "f", "ff", "fff", "ffff"] for d in velocities: two_bars_with_dynamics = two_bars | dynamics(d) write_midi.write("ode_%s.mid" % (d,), [two_bars_with_dynamics]) two_bars_ff_lily = two_bars | dynamics("ff") | lilypond() write_lilypond.write("ode_ff.ly", two_bars_ff_lily) crescendo = two_bars | dynamics("ppp", "ff") write_midi.write("ode_crescendo.mid", [crescendo]) write_lilypond.write("ode_crescendo.ly", crescendo | lilypond()) diminuendo = two_bars | dynamics("mf", "pppp") write_midi.write("ode_diminuendo.mid", [diminuendo]) write_lilypond.write("ode_diminuendo.ly", diminuendo | lilypond())
def end(scale): return HSeq(scale[i] for i in [2, 1]) | add(quaver_point) def h2(scale): return HSeq(scale[i] for i in [0, 4, 3, 4]) | add(quaver_point) def h2_end1(scale): return HSeq(scale[i] for i in [0, 4]) | add(quaver_point) # there's two important quarter notes used at the ends of sections e1 = HSeq(scale[3]) | add(quarter_point) e2 = HSeq(scale[0]) | add(quarter_point) partA = h1(scale) + h1_end1(scale) + e1 + h1(scale) + end(scale) + e2 partB = h2(scale) + h2_end1(scale) + e1 + h2(scale) + end(scale) + e2 # here we see the basic structure of the song oseq = OSequence((partA * 2) + (partB * 2)) C_major = Key("C", major_scale) # note values filled-out for C major in octave 5 then MIDI pitches calculated seq = oseq | degree_in_key_with_octave(C_major, 5) | midi_pitch() # write to file: write_midi.write("shortning_bread_1.mid", [seq])
""" The main title theme to HBO's Game of Thrones by Ramin Djawadi """ from sebastian.core import Point, HSeq, OSequence from sebastian.core.transforms import midi_pitch, degree_in_key, add from sebastian.core.notes import Key, major_scale, minor_scale from sebastian.midi import write_midi C_Major = Key("C", major_scale) C_minor = Key("C", minor_scale) motive_degrees = HSeq(Point(degree=n) for n in [5, 1, 3, 4]) motive_rhythm_1 = HSeq(Point(duration_64=n) for n in [16, 16, 8, 8]) motive_rhythm_2 = HSeq(Point(duration_64=n) for n in [48, 48, 8, 8, 32, 32, 8, 8]) motive_1 = motive_degrees & motive_rhythm_1 motive_2 = (motive_degrees * 2) & motive_rhythm_2 # add key and octave seq1 = (motive_1 * 4) | add({"octave": 5}) | degree_in_key(C_minor) seq2 = (motive_1 * 4) | add({"octave": 5}) | degree_in_key(C_Major) seq3 = motive_2 | add({"octave": 4}) | degree_in_key(C_minor) seq = (seq1 + seq2 + seq3) | midi_pitch() | OSequence write_midi.write("game_of_thrones.mid", [seq], instruments=[49], tempo=350000)
seq2 = parse("e f g") # concatenate seq3 = seq1 + seq2 # transpose and reverse seq4 = seq3 | transpose(12) | reverse() # merge seq5 = seq3 // seq4 # play MIDI player.play([seq5]) # write to MIDI write_midi.write("seq5.mid", [seq5]) # contruct a horizontal sequence of scale degrees seq6 = HSeq(Point(degree=degree) for degree in [1, 2, 3, 2, 1]) # put that sequence into C major, octave 4 quavers C_MAJOR = Key("C", major_scale) seq7 = seq6 | add({"octave": 4, DURATION_64: 8}) | degree_in_key(C_MAJOR) # convert to MIDI pitch and play player.play([OSequence(seq7 | midi_pitch())]) # sequence of first four degree of a scale seq8 = HSeq(Point(degree=n) for n in [1, 2, 3, 4]) # add duration and octave
seq2 = parse("e f g") # concatenate seq3 = seq1 + seq2 # transpose and reverse seq4 = seq3 | transpose(12) | reverse() # merge seq5 = seq3 // seq4 # play MIDI player.play([seq5]) # write to MIDI write_midi.write("seq5.mid", [seq5]) # contruct a horizontal sequence of scale degrees seq6 = HSeq(Point(degree=degree) for degree in [1, 2, 3, 2, 1]) # put that sequence into C major, octave 4 quavers C_MAJOR = Key("C", major_scale) seq7 = seq6 | add({"octave": 4, DURATION_64: 8}) | degree_in_key(C_MAJOR) # convert to MIDI pitch and play player.play([OSequence(seq7 | midi_pitch())]) # sequence of first four degree of a scale seq8 = HSeq(Point(degree=n) for n in [1, 2, 3, 4])
""" The main title theme to HBO's Game of Thrones by Ramin Djawadi """ from sebastian.core import Point, HSeq, OSequence from sebastian.core.transforms import midi_pitch, degree_in_key, add from sebastian.core.notes import Key, major_scale, minor_scale from sebastian.midi import write_midi C_Major = Key("C", major_scale) C_minor = Key("C", minor_scale) motive_degrees = HSeq(Point(degree=n) for n in [5, 1, 3, 4]) motive_rhythm_1 = HSeq(Point(duration_64=n) for n in [16, 16, 8, 8]) motive_rhythm_2 = HSeq( Point(duration_64=n) for n in [48, 48, 8, 8, 32, 32, 8, 8]) motive_1 = motive_degrees & motive_rhythm_1 motive_2 = (motive_degrees * 2) & motive_rhythm_2 # add key and octave seq1 = (motive_1 * 4) | add({"octave": 5}) | degree_in_key(C_minor) seq2 = (motive_1 * 4) | add({"octave": 5}) | degree_in_key(C_Major) seq3 = motive_2 | add({"octave": 4}) | degree_in_key(C_minor) seq = (seq1 + seq2 + seq3) | midi_pitch() | OSequence write_midi.write("game_of_thrones.mid", [seq], instruments=[49], tempo=350000)
from sebastian.core.transforms import midi_pitch, degree_in_key_with_octave, add from sebastian.core.notes import Key, major_scale from sebastian.midi import write_midi def alberti(triad): """ takes a VSeq of 3 notes and returns an HSeq of those notes in an alberti figuration. """ return HSeq(triad[i] for i in [0, 2, 1, 2]) # an abstract VSeq of 3 notes in root position (degree 1, 3 and 5) root_triad = VSeq(Point(degree=n) for n in [1, 3, 5]) quaver_point = Point({DURATION_64: 8}) # an OSequence with alberti figuration repeated 16 times using quavers alberti_osequence = OSequence(alberti(root_triad) * 16 | add(quaver_point)) C_major = Key("C", major_scale) # note values filled-out for C major in octave 5 then MIDI pitches calculated seq = alberti_osequence | degree_in_key_with_octave(C_major, 5) | midi_pitch() # write to file: write_midi.write("alberti.mid", [seq])
#!/usr/bin/env python from sebastian.lilypond.interp import parse from sebastian.midi import write_midi # construct sequences using lilypond syntax seq1 = parse("e4. d c r") seq2 = parse("g4. f4 f8 e4.") seq2a = parse("r4.") seq2b = parse("r4 g8") seq3 = parse("c'4 c'8 b a b c'4 g8 g4") seq3a = parse("g8") seq3b = parse("f8") # concatenate mice = (seq1 * 2) + (seq2 + seq2a) + (seq2 + seq2b) + ( (seq3 + seq3a) * 2) + (seq3 + seq3b) + seq1 # write to MIDI write_midi.write("mice.mid", [mice])
from sebastian.core import VSeq, HSeq, Point, OSequence from sebastian.core.transforms import midi_pitch, degree_in_key_with_octave, add from sebastian.core.notes import Key, major_scale from sebastian.midi import write_midi def alberti(triad): """ takes a VSeq of 3 notes and returns an HSeq of those notes in an alberti figuration. """ return HSeq(triad[i] for i in [0, 2, 1, 2]) # an abstract VSeq of 3 notes in root position (degree 1, 3 and 5) root_triad = VSeq(Point(degree=n) for n in [1, 3, 5]) quaver_point = Point({DURATION_64: 8}) # an OSequence with alberti figuration repeated 16 times using quavers alberti_osequence = OSequence(alberti(root_triad) * 16 | add(quaver_point)) C_major = Key("C", major_scale) # note values filled-out for C major in octave 5 then MIDI pitches calculated seq = alberti_osequence | degree_in_key_with_octave(C_major, 5) | midi_pitch() # write to file: write_midi.write("alberti.mid", [seq])