def compose(self, mood):
self.tonality = {'key': 0, 'mode': 'Major'}
melody_param = self.generate_melody_parameter(mood)
melody_track = Generator.generate_track([], melody_param['tempo'] *
self.tempo_multiplier)
harmony_param = self.generate_harmony_parameter(mood)
# self.adjusted_progressions = Composer.adjust_progression(self.progression_notations, self.annotated_important_notes, harmony_param)
harmony_annotated_notes = self.generate_harmony(harmony_param)
harmony_track = Generator.generate_track(
harmony_annotated_notes,
harmony_param['tempo'] * self.tempo_multiplier)
harmony_track_split = MIDI.separate_track(harmony_track, num_track=2)
pattern = MIDI.new_pattern()
pattern.append(melody_track)
for track in harmony_track_split:
pattern.append(track)
# set tonality
if melody_param['mode'][0] > 0:
tonality = {'mode': 'Major', 'key': self.tonality['key']}
elif melody_param['mode'][0] < 0:
tonality = {'mode': 'Minor', 'key': self.tonality['key']}
else:
tonality = {
'mode': self.tonality['mode'],
'key': self.tonality['key']
}
(instruments,
seed_change) = Instrument.get_instruments(mood, Generator.seed)
Generator.seed_change_tmp = seed_change
tonality_name_major = [
'C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'
]
tonality_name_minor = [
'C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'
]
if tonality['mode'] == 'Major':
print tonality_name_major[tonality['key']], 'Major'
else:
print tonality_name_minor[tonality['key']], 'Minor'
return (pattern, tonality, instruments)
