This post is from one of several previous incarnations of this site and probably doesn’t quite fit the current format. In a former life this was a group blog and a tumblelog before it became a static jekyll site. If anything looks broken or is worded oddly that could be why. Pardon the dust.
Rip of Guitar Hero 3 demo disc given away with another game works on any 360 when burnt, with no further chipping or boot disc jiggery-pokery required.