Katy Perry, Lukasz Gottwald, Max Martin, Bonnie McKee, Henry Walter
"Roar" is a song by American singer Katy Perry for her fourth studio album, Prism (2013). It was released as the lead single from the record on August 10, 2013. Perry co-wrote the song with Bonnie McKee and its producers Dr. Luke, Max Martin, and Cirkut. It is a pop song containing elements of arena rock and lyrics centering on standing up for oneself and self-empowerment.