TaeTiSeo have revealed a performance of "Adrenaline" from their recent showcase for 'Holler'!

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The Girls' Generation�subunit held the showcase for their second mini album on September 16 at the Olympic Park in Seoul, and they're now letting you relive a piece of the action. "Adrenaline", written by Kim Min Jung and composed by Mafly Ina Wroldsen, Lucas Secon, Mich Hansen, and Jonas Jeberg,�is 1 of 6 tracks on 'Holler'.

Check out TaeTiSeo's sassy "Adrenaline" performance above!