Katy Perry – Teenage Dream (Cover by Chaz and Christian) Feb 22, 2017 Cover, Cover Katy Perry, Cover Pop, Cover Teenage Dream, Teenage Dream, Teenage Dream: The Complete Confection, Christian & Chaz Keyboard by Christian. Like 0 Thanks! You've already liked this « Song Cover by Chaz (Angel In The Style…by Sarah McLachlan) » Reptar king of the Ozone Cover by chaz and Cristian,.