Just went to the Foo Fighters last Sunday. Cage the Elephant was with them. FF were great. They do a three hour show. Had to leave after 2 1/2 since we flew out to New Orleans the next morning.
My list:
Michael Bolton with Celine Dion and Peebo Bryson (oh HS)
Kenny G (painful)
Reba McEntire (twice)
Dead eye Dick
Better than Ezra (3x)
Cowboy Mouth
Cheap Trick
Incubus
Beastie Boys
Amy Winehouse
The Police
Glee
Semi Precious Weapon
Lady Gaga
Sublime with Rome (

)
Stone Temple Pilots
Mariachi El Bronx
Cage The Elephant
Foo Fighters
I'm probably missing something.