The eternal question...

No, the real eternal question, not "when is it ok to ask for a threesome", not "can we please buy a human sized hamster ball", not even "where did all the drugs fucking go?"...the real question:

"What instruments work on what version of Rock Hero Guitar Band?"

It's been answered for you Leigh. Take this link, and copy pasta the shit outta it, until everyone who has asked you has been sated.

http://www.rockband.com/compatibility

How happy?

This happy: