Jay Z is one of the best rappers in the game, but he's also the smartest entrepreneur in music. At a live event Monday evening, he announced the launch of Tidal, a new, luxury music-streaming service.
Tidal is already live and streaming 25 million tracks and more than 75,000 music videos. It's a new name in a sector mostly dominated by two major competitors: Spotify and Rdio, and it's the first-ever artist-owned international music streaming service.
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