Jay Z, the stage name of Shawn Carter, in January acquired Sweden-based Aspiro for $56 million. The artists announced onstage at the New York event Monday were introduced as co-owners of the company, representing the first artist-owned digital-music service — a salvo lobbed against companies like Spotify and Pandora. […] TIDAL will not offer a free version of the service; the standard-audio version (Tidal Premium) will be $9.99 per month and the high-def audio version (Tidal HiFi) will be $19.99 per month. Both tiers are free to try out for 30 days, according to the company. – Todd Spangler, Variety

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