Unlike the guy below me said...
The notes aren´t in a diferent tone, tho it sounds like they are if your playing bass because you can barely hear it over the guitars, as in for the lag, just downloaded the game, the game is extremily amusing, funny and challenging and every user tht give you a zero probably has a crappy comp or hes just too retarded to make a song, which is the most fun part of the game.
Ps: loved the special view thing :P