Jay Z, Beyonce, Madonna, Nicki Minaj, Rihanna Celebrate ‘Tidal’ Launch [Photos] March 31, 2015 1 Comment Jay Z, Madonna, Nicki Minaj, Beyonce, Alicia Keys, Daft Punk, Jakc White, Jason Aldean, Usher, members of Arcade of Fire, deadmau5, Chris Martin, Calvin Harris…