Katy Perry - Firework!!

ちなみにKaty Perry - Fireworkは"Rihanna - Only Girl (In The World)"、 ”Ne-Yo - Beautiful Monster”手掛けたコンビStargateとフランスの天才ProducerのSandy Veeによる共作!!

Produced by Stargate & Sandy Vee
Written by Ester Dean