def genMotif(prev_note = random.choice([0,2,4,7]), chords = [[0,2,4],[0,2,4]], cell1 = None):
#generate first cell
start_chord = chords[0]
if cell1 == None:
cell1 = gc.genCell(2.0, prev_note, first_note = None, chord=start_chord, durs=[], cell_type=None)
#now generate second cell from first cell
end_chord = chords[1]
if random.uniform(0, 1) < 0.8 and len(set(cell1.durs)) > 1 and 0.33333333 not in cell1.durs:
return [cell1, tf.transformCell(cell1, cell1, end_chord)]
else:
if end_chord == None:
end_chord = hm.getHighestProbChord(start_chord, None)
cell2 = gc.genCell(2.0, cell1.pits[-1], None, end_chord, [], None)
return [cell1, cell2]
def keepRhythm(old_cell, prev_cell, first_notes, chord=[0,2,4]):
first_notes = ([old_cell.pits[-1] + i for i in [0,-1,1]])
first_notes.extend([prev_cell.pits[-1] + i for i in range(-4,4)])
new_cells = []
for first_note in first_notes:
for i in range(0,4):
durs = rhy.alterRhythm(old_cell)
#print(durs)
new_cells.append(gc.genCell(length=old_cell.length, first_note=first_note, chord=chord, durs=durs, cell_type = old_cell.ctype))
return new_cells
def genContinuationCadential(prev_note = random.choice([2,4,7]), end_chords = [[0,2,4], [3,5,7], [4,6,8], [0,2,4]]):
cords = [[0,2,4], [1,3,5],[4,6,8], [-2,0,2],[1,3,5],[0,2,4]]
cells = []
for i in range(0, 3):
for j in range(0,2):
cell_type = CHORDAL if random.uniform(0,1) < 0.5 else SCALEWISE
chord = cords[i*2 + j]
cell = gc.genCell(prev_note = prev_note, length=2.0, chord=chord, durs=[0.25,0.25,0.25,0.25,0.25,0.25,0.25,0.25], cell_type=cell_type)
for k in range(0,4):
if (cell.pits[0] == cell.pits[2] and cell.pits[1] == cell.pits[3] or cell.pits[4] == cell.pits[6] and cell.pits[5] == cell.pits[7]):
cell = gc.genCell(prev_note = prev_note, length=2.0, chord=chord, durs=[0.25,0.25,0.25,0.25,0.25,0.25,0.25,0.25], cell_type=cell_type)
cells.append(cell)
prev_note = cells[-1].pits[-1]
end_chord_durs = [[0.75,0.25,0.75,0.25],[0.75,0.25,0.75,0.25],[0.5,0.5,0.5,0.5],[1.0]]
for i in range(0, len(end_chords) - 1):
cells.append(gc.genCell(prev_note = prev_note, length=2.0, chord=end_chords[i], durs=end_chord_durs[i], cell_type=CHORDAL))
prev_note = cells[-1].pits[-1]
if prev_note > 14:
prev_note -= 3
cells.append(genending.genEnding(prev_note, chord=[0,2,4], authentic=True))
return Chunk(sub_chunks=cells)
def transformCell(transformed_cell, prev_cell = gc.genBlankCell(2.0), chord_choices = [[0,2,4],[4,6,8]], best_chord = [0,2,4]):
transform_cell_function_names = ['transpose', 'retrograde', 'toDouble', 'fromDouble', 'switchBeats']
random.shuffle(transform_cell_function_names)
transform_cell_function_names = ['addOrnamentation'] + transform_cell_function_names
transform_cell_function_names.append('keepRhythm')
function_index = -1
while True:
function_index += 1
if function_index >= len(transform_cell_function_names):
#print('dead')
return gc.genCell(length=2.0, chord=best_chord, durs=rhy.alterRhythm(transformed_cell))#(gc.genCell(length=2.0, chord=best_chord, durs=rhy.alterRhythm(transformed_cell), cell_type=transformed_cell.ctype), 'dead')
else:
#print(transform_cell_function_names[function_index])
attempting_cells = transform_cell_functions[transform_cell_function_names[function_index]](transformed_cell, prev_cell, ct.getFirstNotes(prev_cell, transformed_cell), best_chord)
for attempting_cell in attempting_cells:
random.shuffle(chord_choices)
for chord in chord_choices:
if hm.chunkInChord(attempting_cell, chord) and pref.goodCells([prev_cell, attempting_cell]):
attempting_cell.chord = chord
return attempting_cell#(attempting_cell, transform_cell_function_names[function_index])
def genPhrase(
prev_note=random.randint(0, 4),
chords=[[0, 2, 4], [0, 2, 4], [4, 6, 8], [0, 2, 4], [0, 2, 4], [3, 5, 7], [4, 6, 8], [0, 2, 4]],
basicIdea=None,
authentic_cadence=False,
):
phrase_cells = []
if basicIdea == None:
basicIdea = gb.genBasicIdea(prev_note=prev_note, chords=chords[:4], motif1=None)
phrase_cells = basicIdea.cells
# choose first or second motif of basic idea to transform for third motif
which_motif_to_transform = random.choice([phrase_cells[:2], phrase_cells[2:]])
third_motif = tf.transformMotif(which_motif_to_transform, phrase_cells[-1], chords[4:6])
motif4cell1 = gc.genCell(
2.0,
third_motif[-1].pits[-1],
first_note=None,
chord=chords[6],
durs=rhy.getDefiningRhythm(phrase_cells + third_motif),
)
motif4cell2 = genending.genEnding(motif4cell1.pits[-1], chords[-1], authentic_cadence)
second_half = Chunk(sub_chunks=third_motif + [motif4cell1] + [motif4cell2], ctype="half")
return Chunk(sub_chunks=[basicIdea, second_half], ctype="phrase")
__author__ = 'halley'
import gencell as gc
import music21helpers as mh
import harmony as hm
from music21 import *
part1_cells = []
part2_cells = []
beginning_chords = [[0,2,4],[0,2,4],[4,6,8],[0,2,4]] #beginning chords
prev_note = 4
for i in range(0, len(beginning_chords)):
part1_cells.append(gc.genCell(length = 2.0, chord=beginning_chords[i]))
part2_cells.append(gc.genBlankCell(2.0))
for i in range(0,10):
prev_part = part1_cells[-4:]
for j in range(0, len(prev_part)):
new_cell = gc.genCell(prev_note = part1_cells[-1].pits[-1], length = 2.0, chord=prev_part[j].chord)
while not (hm.chunkMatches(new_cell, prev_part[j])):
new_cell = gc.genCell(prev_note = part1_cells[-1].pits[-1], length = 2.0, chord=prev_part[j].chord)
part1_cells.append(new_cell)
part2_cells.append(prev_part[j])
print('i = ' + str(i) + ' j = ' + str(j))
part1 = mh.cellsToPart(part1_cells)
part2 = mh.cellsToPart(part2_cells, octave=3)
s = stream.Stream()
def transformFirstChangeSecond(transform_motif, prev_cell = gc.genBlankCell(2.0), chords = [[0,2,4],[0,2,4]]):
cell1 = tf.transformCell(transform_motif[0], prev_cell, chords[0])
cell2 = gc.genCell(length=2.0, prev_note=cell1.pits[-1], chord=chords[1])
return [cell1, cell2]
def sameCtypeSameRhythmDifferentChunk(cell1, prog, prev_note = 0, up_down = random.choice([-1,1])):
return [gc.genCell(length=2.0, prev_note=prev_note, first_note = None, chord = prog, durs = cell1.durs, cell_type = cell1.ctype) for i in range(0,2)]
def subRhythm(chunk, chord, prev_note = 0, up_down = random.choice([-1,1])):
new_rhythm = rhy.alterRhythm(chunk.durs, 0.3)
return gc.genCell(length=sum(new_rhythm),prev_note=prev_note, first_note = None, chord=chord, durs=new_rhythm, cell_type=chunk.ctype)
elif i > 0.75:
return 'f'
else:
return 'fff'
f = open(sys.argv[1] + '.json', 'r+')
data = json.load(f)
sentiment = [i['sentiment'] for i in data]
similarities = [i['similarity'] for i in data]
loudness = [i['loudness'] for i in data]
loudness = [i + (1.0-max(loudness)) for i in loudness]
loudness = [getLoudness(i) for i in loudness]
hashTagFreq = [i['hashtags'] for i in data]
melody_cells = [gc.genCell(2.0,0)]
melody_cells.append(gc.genCell(2.0, melody_cells[-1].pits[-1]))
bass_cells = []
def getScale(sentiment):
if sentiment == 0:
return [0,2,4,6,8,10]
elif sentiment <= 0:
return [0,2,3,5,7,8,10]
else:
return [0,2,4,5,7,9,11]
for i in range(0,len(data)):
sims = similarities[i][:i]
