every band I've seen now

I just bought tickets to Phantogram, Jonsi, and Phoenix/Neon Indian.
which will add a little to the list

My Morning Jacket
The National
Deadmau5
Broken Social Scene
OK Go
Miike Snow
Brother Ali
Edward Sharpe & The Magnetic Zeros
Minus The Bear
WHY?
Mumford & Sons
Nurses
Laura Marling
Morning Teleportation
MGMT
Band of Horses
She & Him
Passion Pit
Drive-By Truckers
Jaguar Love
Phantogram
Neon Indian
Seattle Rock Orchestra
Vampire Weekend (2 times)
The Blow
Nil Lara
Pigeon John
Blackalicious
Al Green
Per Ubu
Hackensaw Boys
Baaba Maal
Femi Kuti
Antibalas
Aphrodesia
Arctic Monkeys
The Hives
Of Montreal
Yeah Yeah Yeahs
Devo
The B-52s
Cyndi Lauper
Tegan and Sara
The Killers
Lake Trout
The Ordinary Boys
Interpol
The New York Dolls
Regina Spektor
Gwar
Job for a Cowboy
Airborne Toxic Event
The Light
NSync
Butch Walker
Avril Lavigne
Tiger Army
The Bravery
Queens of the Stone Age
Kaiser Chiefs
Shiny Toy Guns
War Tapes
The Mars Volta
Matt Costa
Cut Copy
The Presets
Gogol Bordello
Kaiser Chiefs
Queens of the Stone Age
Cold War Kids
Muse
Ani Difranco
Bob Dylan
Apocalyptica
Fischerspooner
Ladytron
The Crocodiles
The Faint
Fischerspooner
Our Lady Peace
Greenwheel
Portugal. The Man (2 times)
Foxy Shazam
Wild Orchid Children
Flobots