Katy Perry 2013 Roar Limited Edition T-Shirt 
  
Katy Perry Licensed Merchandise 
100% Cotton T-Shirt 
  
"Roar" was released on August 10, 2013 by Katy Perry as the lead single from her fourth studio album, Prism. It is a power pop song containing elements of arena rock and lyrics centering on standing up for oneself and self-empowerment.