Kevin Lien – Firework (Katy Perry COVER) Feb 18, 2016 Cover, Cover Firework, Cover Katy Perry, Cover Pop, Teenage Dream, Teenage Dream: The Complete Confection, THANK YOU GUYS SO MUCH. I LOVE YOU ALL. FREE DOWNLOADS FOR EVERYBODYY!! Like 0 Thanks! You've already liked this « All of me – cover by Kevin Walker » Charlie Puth – Marvin Gaye ft. Meghan Trainor, Piano Cover / Instrumental Remix