You may have noticed all the big artists have changed their profiles to this blue color. It is to band together and show awareness of a hifi quality of music stream called ww.tidal.com launched by none other than Jay Z. It will be 19.99 for hifi and 9.99 per month for regular. Some of the details are still coming out but so far in support of this is Rhianna , kanye west , calvin harris , nicki Minaj , Deadmau5 and more by the minute.
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