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#!/usr/bin/env python
from __future__ import division
import os
import random
import sys
import time
random.seed(time.time())
def main():
key = "A"
bps = 60/60
tempo = 1/bps
max_duration = 1
"intro1": {
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 4,
"grammars": {
"u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
"w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
"x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u x u y x w u",
},
},
"intro2": {
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 8,
"grammars": {
"u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
"w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
"x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u x u y x w u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 8,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"overview": {
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 40,
"grammars": { # Notes for this instrument to use in this piece
"u": ["I V/2 V/2 V/2 I VII, IV' I IV I VII IV"],
"w": ['III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2'],
"x": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V'],
},
"score": "u u w w w w w x x",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 44,
"grammars": {
"u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
"w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
"x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u x u y x w u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 44,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"a": { # Movement block 'a' for reuse throughout the piece
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 40,
"grammars": { # Notes for this instrument to use in this piece
"u": ["I V/2 V/2 V/2 I VII, IV' x", "I IV w", "I VII IV u"],
"w": ['VII I IV V VI VII I IV V VI VII u'],
"x": ['VI/4 III/4 II/4 I/4 w'],
},
"score": "u",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 48,
"grammars": {
"u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
"w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
"x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u x u y x w u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 42,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"b": { # Movement block 'a' for reuse throughout the piece
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 40,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I VII V III u', "y"],
"w": ['VII I IV V VI u', 'w'],
"x": ['VI/4 III/4 II/4 I/4 w', 'x x'],
"y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"],
},
"score": "w w x x w",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 44,
"grammars": {
"u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u u y y u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 40,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"zelda1": { # Movement block 'a' for reuse throughout the piece
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 50,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 w', "y"],
"w": ['VII/2 I/2 II/2 V/2 u'],
"x": ['VI/4 III/4 II/4 I/4 w'],
"y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 x"],
},
"score": "w",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 54,
"grammars": {
"u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
"y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
},
"score": "u u y y u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 54,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"zelda2": { # Movement block 'a' for reuse throughout the piece
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 40,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V u', "w"],
"w": ['III/2 II/2 IV/2 III/2 V/2 IV/2 VI/2 V/2 w', 'u', 'x'],
"x": ['VII3 z2 V/4 IV/4 V/4 IV/4 V/4 VI/4 II/4 II/4 II/4 I/4 II/2 u', 'w'],
},
"score": "u",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 44,
"grammars": {
"u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
"y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
},
"score": "u u y y u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 44,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"timbre_solo": { # Movement block 'a' for reuse throughout the piece
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 30,
"grammars": {
"u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
"y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
},
"score": "u u y y u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 30,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I VI/2 VI/2 IV/2 u', "y"],
"w": ['VII/2 I/2 II/2 V/2 u', 'w w', 'u x'],
"x": ['VI/4 III/4 II/4 I/4 w', 'x x', 'x u'],
"y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 w", 'y y'],
},
"score": "u",
},
},
"outro1": { # Movement block 'a' for reuse throughout the piece
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 20,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I VII V III u', "y"],
"w": ['VII I IV V VI u', 'w w'],
"x": ['VI/4 III/4 II/4 I/4 w', 'x x'],
"y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"],
},
"score": "w w x x w",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 26,
"grammars": {
"u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u u y y u",
},
"timbre": {
"score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
"octave": 6,
"duration": 26,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
},
"score": "u u u u u",
},
},
"outro2": {
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"duration": 4,
"grammars": {
"u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
"y": ['"I" "vi"2 "IV" "V" y y u'],
},
"score": "u u y y u",
},
},
}
max_t = 0 # max time encountered so far. Used for movement timing
progression = "intro1 intro2 overview a timbre_solo zelda1 b zelda2 outro1 outro2"
# progression = "zelda1"
for comp_name in progression.split():
comp_start_time = max_t
for instr_name, instr in composition[comp_name].iteritems():
generated_score = generate_score(instr["score"], instr["grammars"]) # Fill in the scores by generating them based on the grammars
# print generated_score
score = parse.parse(generated_score, default_octave=instr["octave"]) # Return Node/Chord objects
# Generate timestamps for the notes
t = comp_start_time
for note in range(len(score)):
score[note].time = t
score[note].duration *= tempo
t += score[note].duration
# print "time difference =", t-comp_start_time
# print "instrument duration =",composition[comp_name][instr_name]["duration"]
if (t-comp_start_time) > float(composition[comp_name][instr_name]["duration"]):
# print "here"
score = score[:note]
break
max_t = t if t > max_t else max_t
composition[comp_name][instr_name]["score"] = score
# Must be done after all note times keyed in, else you can't coordinate melodies with the rhythm chords
print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
f3 0 1025 10 1
'''
for comp_name in progression.split():
print "; Movement:", comp_name
for instr_name, instr in composition[comp_name].iteritems():
composition[comp_name][instr_name]["score"] = transliterate_score(composition[comp_name][instr_name]["score"], key)
# print "\nMovement %s instrument %s" % (comp_name, instr_name)
# print composition[comp_name][instr_name]["score"]
final_score = generate_csound_score(composition[comp_name][instr_name]["score"], composition[comp_name][instr_name]["score_line"])
for line in final_score:
print line
def make_scale(key):
notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
scale = [key]
pos = notes.index(key)
progression = [2,2,1,2,2,2,1]
for p in progression:
pos = (pos + p) % 12
scale.append(notes[pos])
return scale
def generate_score(score, grammars):
while 1:
found_substitution = False
for key,value in grammars.iteritems():
if score.find(key) != -1:
found_substitution = True
while score.find(key) != -1:
score = score.replace(key, random.choice(grammars[key]), 1)
# print scoe
if len(score.split()) > 2000:
for k in grammars.keys():
score = score.replace(k, "")
return score
if found_substitution is False:
break
return score
def transliterate_score(score, key):
scale = make_scale(key)
scale_conversion = {
"I": 1,
"II": 2,
"III": 3,
"IV": 4,
"V": 5,
"VI": 6,
"VII": 7,
"VIII": 8,
}
keyed_score = []
for i in range(len(score)):
if isinstance(score[i], parse.Note):
score[i].value = scale[scale_conversion[score[i].value]-1]
elif isinstance(score[i], parse.Chord):
chord = []
root_note_index = scale.index(key) + scale_conversion[score[i].value]
chord.append(scale[root_note_index])
chord.append(scale[(root_note_index+3) % 8])
if score[i].chord_type == "m": # Minor chords, flat the 5th
chord.append(scale[(root_note_index+4) % 8])
else:
chord.append(scale[(root_note_index+5) % 8])
score[i].chord = chord
elif isinstance(score[i], parse.Rest):
pass
return score
def generate_csound_score(score, score_line):
csound_note_values = {
"C": "00",
"C#": "01",
"D": "02",
"D#": "03",
"E": "04",
"F": "05",
"F#": "06",
"G": "07",
"G#": "08",
"A": "09",
"A#": "10",
"B": "11",
}
csound_score = []
for token in score:
if isinstance(token, parse.Chord): # Chords
for note in token.chord:
note = csound_note_values[note]
csound_score.append(score_line % {"time": token.time, "octave": token.octave, "note": note, "duration": token.duration})
elif isinstance(token, parse.Note): # Individual notes
note = csound_note_values[token.value]
csound_score.append(score_line % {"time": token.time, "octave": token.octave, "note": note, "duration": token.duration})
return csound_score
if __name__ == "__main__": main()
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#!/usr/bin/env python
from __future__ import division
import os
import pdb
import random
import sys
import time
import parse
import tree
random.seed(time.time())
def main():
composition = {
"verse1": {
"intro": {
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 10,
"grammars": { # Notes for this instrument to use in this piece
"u": ["G/2 G/2 G/4 G/4 A/4 A/4 A/2 G G A A A3 (w)"],
"w": ["E E F F G/2 G/2 G3 (u)"],
},
},
},
"body": {
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 10,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C G/2 G/2 G/2 C B, F' C F C B F (w)"],
"w": ["E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)"],
},
},
},
},
"verse2": {
"body": {
"melody": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 10,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C C C C F/2 F/2 F/2 (u)", "D D G/2 A/2 D D (u)"],
},
},
"harmony": { # Instrument 'melody'
"score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
"octave": 8,
"duration": 10,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C C C C F/2 F/2 F/2 (u)", "D D G/2 A/2 D D (u)"],
},
},
},
},
}
print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
f3 0 1025 10 1
t 0 100
'''
section_start = 0
for section in ["verse1", "verse2"]:
print "; Section " + section
subsection_start = section_start
section = composition[section]
for subsection in ["intro", "body", "outro"]:
try:
print "; Subsection " + subsection
subsection = section[subsection]
instrs = []
for instr in subsection:
print ";Instrument " + instr
instr = subsection[instr]
sync = None
max_time = instr["duration"]
instr_score = render_instr(instr, sync, max_time)
instrs.append(instr_score)
for line in generate_csound_score(instr_score, instr["score_line"], subsection_start):
print line
longest_score = max(instrs, key=lambda i: score_len(i))
subsection_start += score_len(longest_score)
section_start += score_len(longest_score)
except KeyError:
pass
def render_instr(instr, sync, max_time):
grammars = instr["grammars"]
for g in instr["grammars"]:
for i in range(len(grammars[g])):
grammars[g][i] = parse.parse(grammars[g][i])
init_node = random.choice(instr["grammars"].keys())
init_score = random.choice(instr["grammars"][init_node])
score = init_score
while True:
time_remaining = max_time - score_len(score)
try:
score = choose_node(score, grammars, time_remaining, sync)
except ValueError:
break
return score
def choose_node(score, grammars, time_remaining, sync):
if time_remaining <= 0:
raise ValueError("No time remaining in the score")
node = None
node_index = None
for item in range(len(score)):
if isinstance(score[item], tree.Tree):
node = score[item].name
node_index = item
if node is None:
raise ValueError("No more nodes to fill in")
options = []
for g in range(len(grammars[node])):
if score_len(grammars[node][g]) <= time_remaining:
options.append(grammars[node][g])
if len(options) == 0:
raise ValueError("No available grammars that will fit in the score")
if sync:
pass
else:
phrase = random.choice(options)
score = score[:node_index-1] + phrase + score[node_index+1:]
return score
def score_len(score):
total = 0
for n in score:
if not isinstance(n, tree.Tree):
total += n.duration
return total
def generate_csound_score(score, score_line, t):
csound_note_values = {
"C": "00",
"C#": "01",
"D": "02",
"D#": "03",
"E": "04",
"F": "05",
"F#": "06",
"G": "07",
"G#": "08",
"A": "09",
"A#": "10",
"B": "11",
}
csound_score = []
for token in score:
if isinstance(token, parse.Chord): # Chords
for note in token.chord:
note = csound_note_values[note]
csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})
elif isinstance(token, parse.Note): # Individual notes
note = csound_note_values[token.value]
csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})
elif isinstance(token, tree.Tree):
continue
t += token.duration
return csound_score
if __name__ == "__main__": main()
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