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 with... 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