A saxophone player whose music went viral in a 2014 YouTube video has sued Epic Games Inc. over claims that the company is using his “signature” dance moves in the “Fortnite Battle Royale” video game.

The lawsuit, Pellegrino v. Epic Games, was filed April 25 in the U.S. District Court for the Eastern District of Pennsylvania by musician Leo Pellegrino, a Pittsburgh native, who plays baritone sax in the group Too Many Zooz. Since becoming a hit on YouTube, the group has been featured on several TV commercials and has worked with renowned recording artists like Beyonce.