Here.
void PlayMusic
(string
& asMusicFile
, bool abLoop
, float afVolume
, float afFadeTime
, int alPrio
, bool abResume
);
Plays music.
asMusicFile - the music to play + extension .ogg
abLoop - determines whether a music track should loop
afVolume - volume of the music
afFadeTime - time in seconds until music reaches full volume
alPrio - priority of the music. Note that only the music with the highest priority can be heard! 0 - lowest, 1 - higher, etc.
abResume - if true, playback will be continued from where the track stopped after the call to StopMusic(); if false, the track will be restarted.