I brought my own (custom made) CD (of thumping Andre Crouch and Michael W. Swith)and played it every day - must have driven the techs crazy. I knew exactly where I was at in treatment by what song and verse was playing. The first day I forgot and they stuck some new age stuff on there and it seemed to take an eternity to get through it (like "Time" by Enya. Go with uptempo is my advice. The techs went all out to make it as comfortable as they humanly could and like others have stated watched my very closely.