How many calories do you burn playing guitar hero?

depends on how wild you get ;) not many though, its no substitute to sports Addition: Probably worth mentioning that playing the drums is a much more strenuous exercise than playing guitar (as in GHWT). Using a BMR calculator originally developed by the University of Minnesota, I estimated the calories/hour of drumming on GHWT (probably needs to be at least medium) as about 200 cals/hour. Playign guitar on it is at least better than sitting down (obviously you need to be standing to really rock