The mostly-official Party in the Park lineup:

and you will know us by the trail of dead
appleseed cast
dumate
the profits
ang 13
awesome car funmaker
groovie ghoulies
red chemist
deal's gone bad
northern pines band
ova
the Ms
something to do
czarbles
que flavor
blake thomas
the downtown brown

Hmmmm. This is a quality line-up. The Appleseed Cast and the Ms have now very much sweetened the pot. Should I go?