SetMusicVolumeOGG
Description
Sets the volume on a per file basis. By default files are played at volume 100. The volume level should be between 0 and 100. 
Definition
 SetMusicVolumeOGG( musicID, vol ) 
void agk::SetMusicVolumeOGG( UINT musicID, int vol )
Parameters
- musicID - The ID of the music file to modify.
 - vol - The volume to use for this file.