def _note(mn,
attr_name_idx_map=None,
attr_val_default_map=None,
num_attributes=None):
mn.attr_name_idx_map = attr_name_idx_map or ATTR_NAME_IDX_MAP
mn.attr_val_default_map = attr_val_default_map or ATTR_VAL_DEFAULT_MAP
mn.num_attributes = num_attributes or NUM_ATTRIBUTES
return NoteSequence.new_note(mn)
for _ in range(NUM_MEASURES):
note_config = MakeNoteConfig.copy(NOTE_CONFIG)
ostinato_measure = Measure(num_notes=notes_per_measure,
meter=METER,
swing=swing,
mn=note_config)
for i in range(notes_per_measure):
note_values = NoteValues(ATTR_NAMES)
note_values.time = i * dur_val
note_values.duration = dur_val
note_values.velocity = int(BASE_VELOCITY - (
(i % notes_per_measure) / VELOCITY_FACTOR))
note_values.pitch = SCALE[i % NUM_NOTES_IN_SCALE].pitch
note_config.attr_val_default_map = note_values.as_dict()
note = NoteSequence.new_note(note_config)
ostinato_measure.append(note)
ostinato_measure.apply_swing()
ostinato_track.append(ostinato_measure)
# Chords
octave = OCTAVE - 2
dur = NoteDur.WHOLE
# noinspection PyTypeChecker
dur_val: float = dur.value
notes_per_measure = int((1 / dur_val) * (BEATS_PER_MEASURE * BEAT_DUR_VAL))
for _ in range(NUM_MEASURES):
note_config = MakeNoteConfig.copy(NOTE_CONFIG)
chords_measure = Measure(meter=METER,
swing=swing,
