@@ -17,20 +17,22 @@ 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, + "duration": 40, "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"], "w": ['VII I IV V VI u', 'w w'], "x": ['VI/4 III/4 II/4 I/4 w', 'x x'], }, - "score": "u u u u u", + "score": "u", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, + "duration": 50, "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'], @@ -49,10 +51,59 @@ }, "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": 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": 24, + "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", + }, + }, + "c": { # 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 VI/2 VI/2 IV/2 u', "y"], + "w": ['VII/2 I/2 II/2 V/2 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": 20, + "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", + }, + }, + "d": { # 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": 24, "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"], @@ -60,10 +111,11 @@ "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": 24, "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", @@ -70,24 +122,30 @@ }, }, } max_t = 0 # max time encountered so far. Used for movement timing - progression = "a b" + progression = "a b c d" for comp_name in progression.split(): - instr_start_time = max_t + 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 = instr_start_time + 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 @@ -120,11 +178,12 @@ 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: +# print scoe + if len(score.split()) > 2000: for k in grammars.keys(): score = score.replace(k, "") return score if found_substitution is False: break @@ -179,15 +238,13 @@ 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("i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": token.time, "octave": random.choice([7,8]), "note": note, "duration": token.duration}) csound_score.append(score_line % {"time": token.time, "octave": random.choice([7,8]), "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}) -# csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": token.time, "octave": random.choice([8,9]), "note": note, "duration": token.duration}) return csound_score if __name__ == "__main__": main()