Creates a new SyncGroup which keeps Music instances synchronized. The first track in the group is the one that will be the sync source by default.
Pause all audio tracks in the sync group
Play all audio tracks in the sync group
Resyncronizes audio tracks
Sets the synchronization source
Stop all audio tracks in the sync group
Call every frame to make sure that XRuns are handled.
SyncGroup is a rudementary and naive form of audio synchronization for music channels. It's recommended to implement your own algorithm to handle this. Feel free to look at the source for some hints on how to do this.