def fromSong(song, cut=util.CUT, p=None):
p = Probability()
p.addSong(song, cut)
h = []
for part in song.parts:
if len(part.flat) > cut:
h.append(calculate(part, p))
return h
def main():
filename = sys.argv[1] if len(sys.argv) > 1 else util.FAKE_FILE
song = converter.parse(filename)
p = Probability()
p.addSong(song)
h = fromSong(song, p=p)
print(h)
log.info("%d parts.", len(h))
h = mean(p)
print(h)