Ah, ha! So that's what that blasted mystery port is for on the back of the Rock Band 2 drum kit! Quite honestly, this is about the most unsurprising peripheral ever, but given Guitar Hero: World Tour's included cymbals, we suppose this was kind of necessary to level the proverbial concert stage. 'Course, it was Ion that dished out the premium drum kit (with cymbals and all) earlier this summer, but this ought to give those with standard kits a little somet
