Sound and music
copySound()
deleteSound(n)
fadeMusic()
musicExists()
musicSpeed()
musicVolume()
pauseMusic
pauseSound()
playFreqSound()
playMusic()
playSound()
positionMusic()
resumeMusic
resumeSound()
rewindMusic
sound3d()
soundChannels()
soundEnabled()
soundExists()
soundVolume()
stopMusic
stopSound()
vumeterSound()