YEAH YEAH YEAHS Travis Scott St. Vincent St. Vincent Pierce The Veil Sleeping with Sirens Foster the People FUN. Katy Perry Joy Formidable Joy Formidable PARAMORE Team Spirit Fitz and the Tantrums Kitten Paramore Twenty One Pilots Tegan and Sara Cage the Elephant Blur Surfer Blood Snoop Dogg Crystal Castles TWENTY ONE PILOTS Amanda Palmer Iggy Pop Phoenix