Jay Z formally launched his new streaming music service TIDAL with an all-star event in New York City. As it turns out, Jay Z is merely a co-owner: Arcade Fire’s Win Butler and Régine Chassagne, Kanye West, Jack White, Daft Punk, Beyoncé, Chris Martin of Coldplay, Rihanna, Madonna also have ownership interests in TIDAL.

​All these artists were showed their commitment by signing a declaration on-stage. TIDAL is described as a “platform owned by artists” with the goal “to re-establish the value of music.” Speaking on behalf of the group, Alicia Keys explained, “We want to create a better service and experience for fans and artists. Our mission goes beyond commerce and technology.”