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key = "A"
bps = 60/60
tempo = 1/bps
max_duration = 1
composition = {
"a": { # Movement block 'a' for reuse throughout the piece
"bassline": { # Instrument 'melody'
"score_line": "i1 %(time)f %(duration)f 10000 %(octave)d.%(note)s",
"octave": 5,
"grammars": { # Notes for this instrument to use in this piece
"u": ["I/2 z/2 I/2 z/2 I/2 z/2 V/2 z/2 u u", "e"],
"e": [""],
},
"score": "u u u u u",
},
},
}
max_t = 0 # max time encountered so far. Used for movement timing
progression = "a"
for comp_name in progression.split():
instr_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
score = parse.parse(generated_score, default_octave=instr["octave"]) # Return Node/Chord objects
# Generate timestamps for the notes
t = instr_start_time
for note in range(len(score)):
score[note].time = t
score[note].duration *= tempo
t += score[note].duration
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"
# print "f1 0 513 9 1 1 0 3 .33 180 5 .2 0 7 .143 180 9 .111 0"
# print "f2 0 8192 10 .24 .64 .88 .76 ,96 .5 .24 .08"
for comp_name in progression.split():
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:
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key = "A"
bps = 60/60
tempo = 1/bps
max_duration = 1
composition = {
"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,
"grammars": { # Notes for this instrument to use in this piece
"u": ["I V/2 V/2 V/2 I VII, IV' x u", "I IV w w", "I VII IV u u" , "e"],
"w": ['VII I IV V VI u', 'w w', "e"],
"x": ['VI/4 III/4 II/4 I/4 w', 'x x', "e"],
"e": [""],
},
"score": "u u u u u",
},
"rhythm": {
"score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
"octave": 7,
"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', "e"],
"w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u', "e"],
"x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u', "e"],
"y": ['"I" "vi"2 "IV" "V" y y u', "e"],
"e": [""]
},
"score": "u x u y x w u",
},
# "bass": {
# "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
# "octave": 5,
# "grammars": { # Notes for this instrument to use in this piece
# "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u' , "e"],
# "e": [""],
# },
# "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,
"grammars": { # Notes for this instrument to use in this piece
"u": ['I VII V III u', "y", "e"],
"w": ['VII I IV V VI u', 'w w', "e"],
"x": ['VI/4 III/4 II/4 I/4 w', 'x x', "e"],
"y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2", "e"],
"e": [""],
},
"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,
"grammars": {
"u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y", "e"],
"y": ['"I" "vi"2 "IV" "V" y y u', "e"],
"e": [""]
},
"score": "u u y y u",
},
},
}
max_t = 0 # max time encountered so far. Used for movement timing
progression = "a b"
for comp_name in progression.split():
instr_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 = instr_start_time
for note in range(len(score)):
score[note].time = t
score[note].duration *= tempo
t += score[note].duration
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
'''
for comp_name in progression.split():
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:
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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)
if len(score.split()) > 200:
score = score.replace("u", "")
score = score.replace("e", "")
return score
if found_substitution is False:
break
return score
def transliterate_score(score, key):
scale = make_scale(key)
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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)
if len(score.split()) > 200:
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)
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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])
if score[i].chord_type == "m": # Minor chords, flat the 3rd
chord.append(scale[(root_note_index+2) % 8])
else:
chord.append(scale[(root_note_index+3) % 8])
chord.append(scale[(root_note_index+5) % 8])
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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):
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