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　　　　　　　　【サマーソニック09】第1弾アーティスト発表！
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Linkin Park / My Chemical Romance / Nine Inch Nails / The Specials

The Flaming Lips / Aphex Twin / CSS / The Enemy / Klaxons

Mogwai / Paramore / Placebo / Sonic Youth / Soulwax / Teenage Fanclub

Boys Like Girls / Cancer Bats / Datarock / Enter Shikari

Ghostland Observatory / Girl Talk / Hollywood Undead / Kid Sister / Kyte

Lady Gaga / Lenka / Little Boots / Mando Diao / Matisyahu / Metronomy

Mew / Mercury Rev / Mutemath / N.A.S.A. / Red Light Company / X Japan

Saosin / 2 many DJ's / The Vaselines / VV Brown / Yuksek

…and more!!