Here is the Summer sonic 2012 band line up. Osaka usually has the same bands but on alternating days. They have got some pretty big names this year.
* TOKYO 8/18 SAT
* GREEN DAY
* SIGUR RÓS
* FRANZ FERDINAND
* 吉井和哉
* ADAM LAMBERT
* LOSTPROPHETS
* DEATH CAB FOR CUTIE
* AZEALIA BANKS
* CRYSTAL CASTLES
* GOTYE
* GRIMES
* GROUPLOVE
* ICEAGE
* THE KNUX
* MAC MILLER
* Nothing’s Carved In Stone
* ONE OK ROCK
* PASSION PIT
* SBTRKT
* ST.VINCENT
* THE VACCINES
* TOKYO 8/19 SUN
* RIHANNA
* JAMIROQUAI
* NEW ORDER
* KE$HA
* PITBULL
* TEARS FOR FEARS
* GARBAGE
* HOOBASTANK
* FOSTER THE PEOPLE
* 阿部真央
* CALVIN HARRIS
* THE CARDIGANS
* CAST
* [Champagne]
* GYM CLASS HEROES
* KINDNESS
* OTHER LIVES
* SPECTOR
* TRIBES
* VINTAGE TROUBLE