While millions of artists and tracks can be found on Spotify and its streaming music competitors, there are still some holdouts. And that number increases for new releases by select super star acts who have either cut an exclusive with another music source or are temporally keeping the tracks off streaming services in an effort to increase sales. Until now, Spotify has chosen to soft peddle any missing music, pointing fan to other available tracks. Search for new releases by ColdPlay, The Black Keyes or Beyonce and Spotify displays an empty player and the message: "The artist or their representatives...

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