In the game Rock Band is the bass of another type of controller and the guitar?
I have rock band but this is only the lead guitar. Do I need to buy specifically the bass guitar or can I just buy another guitar controller, which will operate as a bass?
All guitars will work [...]

How much would I pay rockpand EBgames (PS2), Rockand PS2/PS3 and PS2/PS3 Drums Guitar / Bass?
Has anyone sold them at EBgames recently? I just want to exchange them so I can get credit for and Rockband 2 drums + guitar for my 360.
I'd say $ 80 +. Please note that best meet [...]