Future ones to see:

Self Against City
Jack’s Mannequin
The Spill Canvas (again)
Mayday Parade (again)
Owl City
Umbrellas
Brand New
Brighten
Cute is What We Aim For
Cinematic Sunrise
The Dangerous Summer
The Maine (again)
The Morning Of
Relient K – I actually think i’ve briefly seen them.
A Rocket to the Moon
Something Corporate
Taylor Swift

and many more :)