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Published 10:50 31 Mar 2015 BST
Updated 12:46 11 Jun 2015 BST

Beyoncé pictured at the event.
The new service will compete with Spotify but unlike Spotify, it will not have a free tier.
Speaking at the launch, singer Alicia Keys stated that she hopes Tidal will “forever change the course of music history”.
A number of stars attended the #TIDALforALL event.
Other artists included Nicki Minaj, Usher, Arcade Fire, deadmau5 and Jack White.Explore more on these topics: