You should specify the SF2 soundfont file.
"""
from mingus.core import progressions, intervals
from mingus.core import chords as ch
from mingus.containers import NoteContainer, Note, Track
from mingus.midi.MidiFileOut import write_Track
import time, sys
from random import random
def strip_chords(l):
# une fonction pour ne garder que la fondamentale
# d'un accord, sinon mingus nous le joue en arpeggié
ret = []
for e in l:
ret.append(e[0])
return ret
progression = ["I", "vi", "iv", "V7"]
key = 'C'
chords = progressions.to_chords(progression, key)
notes = strip_chords(chords)
tr = Track()
for note in notes:
tr.add_notes(note, duration=1)
write_Track('out.mid', tr)
def to_midi(self,bpm=200):
write_Track(self.title+'.mid',self.track,bpm=bpm)
