[atsonicpark]

At the top of my head and I know I will forget a bunch... and I've forgotten the names of lots of opening acts, but... melt banana, xbxrx (two times), ghost mice, racebannon (four times), shellac, deftones, coal chamber, ozzy osbourne, islands, q and not u, puppy vs dyslexia (two times), mecca normal, mindless self indulgence, sump pumps, el guapo, phoenix bodies, ultra dophins, daughters, the locust, filter, rancid, tub ring, copycat massacre (six times), the ghost, mt st helens, for the birds, brick layer cake, lollipop lust kill (ick), hair police, strikeforce diablo, idiot flesh, dillinger escape plan, unicorns, xiu xiu (two times), make believe, end, black moth super rainbow, tod, the alien dead (five times), body soil, this bike is a pipe bomb, maps and atlases, tool, necrophagist, mae, red wizard, roxanne jean polise (twice), yellow swans, busdriver, mud kids, mahjongg, los gates negros, death kill, lenore syndrome (three times), when sparks fly, bleach, we quit, civil hands, role reversal, element x, sunset rubdown (ick), sleepy time gorilla museum, hentai lacerator......

That's all I can think of at the moment but there's more...