Tidal Launch Event NYC #TIDALforALL

NEW YORK, NY – MARCH 30: (L-R) Rihanna, Nicki Minaj, Madonna, Deadmau5, and Kanye West onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. Jamie McCarthy/Getty Images for Roc Nation/AFP