Can new streaming service Tidal benefit musicians, consumers?

Tidal launch event
(L-R) Usher, Rihanna, Nicki Minaj, Madonna, Deadmau5, Kanye West, JAY Z, and J. Cole onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City.