Jayz,Beyonce,Rihanna,Madonna and others launch new music service #TIDAL to rival spotify..

A host of the big names in the music industry have joined forces to launch Tidal, a streaming service being billed as the first artist-owned platform for music and video.
Rihanna, Madonna, Beyonce, Usher, Daft Punk, Arcade Fire, Jack White,Alicia keys,Madonna and Kanye West  have joined a host of other stars as co-owners of the new subscription service which is the brainchild of Jay Z. 

Unlike rivals Spotify, the service will not have a free tier - meaning the musicians stand to make more money from it.