play.py

import pygame

def play_music(music_file):
    """
    stream music with mixer.music module in blocking manner
    this will stream the sound from disk while playing
    """
    clock = pygame.time.Clock()
    try:
        pygame.mixer.music.load(music_file)
        print ("Music file %s loaded!" % music_file)
    except pygame.error:
        print ("File %s not found! (%s)" % (music_file, pygame.get_error()))
        return
    pygame.mixer.music.play()
    while pygame.mixer.music.get_busy():
        # check if playback has finished
        clock.tick(30)
# pick a midi music file you have ...
# (if not in working folder use full path)

def play_midi(midi_file):
    freq = 44100    # audio CD quality
    bitsize = -16   # unsigned 16 bit
    channels = 2    # 1 is mono, 2 is stereo
    buffer = 1024    # number of samples
    pygame.mixer.init(freq, bitsize, channels, buffer)

    # optional volume 0 to 1.0
    pygame.mixer.music.set_volume(0.8)
    try:
        play_music(midi_file)
    except KeyboardInterrupt:
        # if user hits Ctrl/C then exit
        # (works only in console mode)
        pygame.mixer.music.fadeout(1000)
        pygame.mixer.music.stop()
        raise SystemExit