(01 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Usher, Rihanna, Nicki Minaj, Madonna, Dead Mouse, Kanye West, Jay Z, Jason Aldean, Jack White, Daft Punk, Beyonce and Win Butler attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(02 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Rihanna, Nicki Minaj, Madonna, Deadmau5 and Kanye West attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(03 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Usher, Rihanna, Nicki Minaj, Madonna, Dead Mouse, Kanye West, Jay Z, Jason Aldean, Jack White, Daft Punk, Beyonce and Win Butler attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(04 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Usher, Rihanna, Nicki Minaj, Madonna, Dead Mouse, Kanye West, Jay Z, Jason Aldean, Jack White, Daft Punk, Beyonce and Win Butler attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(05 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (L-R) Deadmau5, Kanye West, and JAY Z onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for Roc Nation) (credit:Jamie McCarthy via Getty Images)
(06 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Daft Punk (L) and Beyonce onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for Roc Nation) (credit:Jamie McCarthy via Getty Images)
(07 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Rihanna onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for Roc Nation) (credit:Jamie McCarthy via Getty Images)
(08 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Nicki Minaj attends the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(09 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Alicia Keys and Beyonce attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(10 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Rihanna attends the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(11 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Rihanna and Def Jam CEO Steve Bartels attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(12 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Swizz Beatz, Jay Z, Chris Ivery, Tyra 'Tata' Smith and Jay Brown attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(13 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Jay Z, Beyonce and Win Butler of Arcade Fire attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(14 of19)
Open Image ModalNEW YORK, NY - MARCH 30: Nicki Minaj, Madonna and Deadmau5 attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(15 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Madonna and Kanye West attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(16 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Rihanna and Deadmau5 attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(17 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Beyonce attends the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(18 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Rihanna and Madonna attend the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Kevin Mazur/Getty Images For Roc Nation) (credit:Kevin Mazur via Getty Images)
(19 of19)
Open Image ModalNEW YORK, NY - MARCH 30: (Exclusive Coverage) Deadmau5 attends the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images For Roc Nation) (credit:Jamie McCarthy via Getty Images)