Katy Perry Firework ( Feat. Jon Tron)

Sign the petition Sign the OTHER petition This is the most epic mashup ever. Firework by Katy Perry, mashed up Itself Well, yes and no. I mashed it up with a cover by Jon Tron, which was featured in his review of Dino City. I felt that his version was much too short, and Katy s version was much too long. I ended up combining them, just for the lul br, br,