〈SUMMER SONIC 09〉出演アーティスト 【8月7日】 My Chemical Romance/Nine Inch Nails/Kasabian/Aphex Twin/The Enemy/Mogwai Paramore/Phoenix/Soulwax/Tahiti 80/Boys Like Girls/The Big Pink/Datarock Girl Talk/Ghostland Observatory/Kyte/Mercury Rev/Mew/Never Shout Never Red Light Company/Saosin/School Of Seven Bells/2 Many DJ'sほか
【8月8日】 Linkin Park/The Specials/Elvis Costello/Joan Jett And The Blackhearts/CSS Klaxons/Placebo/The Ting Tings/Tom Tom Club/The All-American Rejects Hollywood Undead/Lenka/Little Boots/Mando Diao/Metronomy/Matisyahu Mutemath/Yuksekほか
【8月9日】 Beyonce/The Flaming Lips/Mastodon/Sonic Youth/Teenage Fanclub/Cancer Bats Enter Shikari/Five Finger Death Punch/Gogol Bordello/Iglu & Hartly/Kid Sister N.A.S.A./The Qemists/Solange/Tame Impala/The Temper Trap/The Vaselines The Veronicas/VV Brown/Warほか