Katy Perry – Firework (string quartet) Tempus Quartet Violines Aug 1, 2015 Cover, Cover Firework, Cover Katy Perry, Cover Pop, Teenage Dream, Teenage Dream: The Complete Confection, Katy Perry Cover Instrumental Version by Tempus Quartet Violines. Like 0 Thanks! You've already liked this « (Violines Tempus) Alejandro – Lady Gaga » Reza – Berharap tak berpisah (cover) at Tempus Ritz Carlton