pygame Sound
Important functions:
- pygame.mixer.init()
- called once, at startup
- snd = pygame.mixer.Sound(filename)
- loads a WAV file and returns a Sound object
- snd.play()
- starts a sound object playing, on a free channel
- snd.stop()
- stops a sound object playing
- snd.set_volume(val)
- changes playback volume of sound object
- snd.fadeout(millisec)
- fades out the sound, then stops it