140926 Watch Girls' Generation TaeTiSeo's performance of 'Adrenaline' at their showcase

TaeTiSeo held a showcase for their second mini album on September 16 at the Olympic Park in Seoul. "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'