The World's Biggest Musicians Helped Jay Z Launch His New Music Streaming Service Last Night By Notable Life By Notable LifeView Author|March 31, 2015|CelebritiesView Celebrities Spotify and Deezer not cutting it for you? Can't wait for Apple to launch their own streaming service? Jay-Z might have the answer; it's called Tidal. Together with some of the biggest names in music, including Beyoncé, Alicia Keys, Chris Martin... View this article.