HI Guillaume, We tried to make a .wav file of the .xm it was 24 mb. So James reconverted the ogg and the tempo is in sync now. He ran the .xm in milkplayer and the .ogg in mplayer to compare. I have update the git repo.
http://github.com/kthakore/frozen-bubble/commit/a4c89dd1a0b39ad8b86133bab75ee117189f1c5d Regards, Kartik Thakore
