With over 110 million views on YouTube, Sam Tsui is quite the YouTube star. In his appearance on the Ellen Degeneres Show, he chatted about the success with Ellen before performing an incredible Katy Perry & Bruno Mars mash-up. Watch him perform his latest mashup Fireworks & Grenade with his musical buddy Kurt. The pair recreate their mashup on TV. It’s explosive.

You can download the Firework & Grenade mashup for FREE here. Listen to some of his other mashups: Summer Pop Medley, Nothing On You Soul Sister mashup, Love The Way You Lie x Dynamite x Teenage Dream mashup

Sam Tsui on Ellen Degeneres