Receiving End of Sirens (The).
Edit: Irony, you're supposed to take the last letter from the former band and use that as the first letter of the band you give. I applaud you on Goldfinger though. :P
K.C. and the sunshine band. (don't really know who they are but my mother said that band to me so I'll take it)
@Link; I am? *Checks OP* Oh, so I am...
Edit: Grumble, grumble... stupid Escapist eatin' mah posts and postin' them late...
2pac (google confirmed)
EDIT: somebody answered before me thought it had to start with a 2 but if you act as my coment was first it will all fit since his band starts with C and mine ends with C.
Cage the Elephant.
Edit: Sorry, didn't see your message until after I posted. No harm done though.
I think we made a mess but let's ignore it and act like it did not happen, let's just move on.
Scorpions,The I believe that counts