Concert Hussy

I love concerts.

A lot.

If I have heard/liked at least one of your songs, chances are, I will be attending a concert of yours.
Here is a list of everyone I have seen:

Dave Matthews Band (18 times)
John Mayer (3)
Maroon 5 (3)
Duran Duran (3)
Counting Crows (2)
Rammstein
Grace Potter and the Nocturnals
James Taylor
Jason Mraz (2) 
Florence and The Machine
Fitz and the Tantrums
Kings of Leon
Company of Thieves
OAR
Swedish House Mafia
Katy Perry
'N Sync
98 degrees
Zac Brown Band
Sara Bareilles
Train
Guster

and that's all I can remember for now....