def gen(self, path, nnotes=200, motif=None):
self.t = 0
if motif:
motif = parse(motif)
print "="*60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
for i in range(nnotes):
dur = 1
if motif:
j,dur = motif[i % len(motif)]
if j == 'r':
self.t += dur*self.ticksPerBeat
continue
else:
j = i % 12
#print i, j
notes = self.getChord(j, dur)
self.t += dur*self.ticksPerBeat
for note in notes:
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
mpath = path.replace(".json", ".mid")
midiObj.saveAsMidi(mpath)
