FILE - This May 13, 2014 file photo shows Stevie Nicks, winner of the BMI Icon Award, at the 62nd Annual BMI Pop Awards in Beverly Hills, Calif. Nicks has come on board The Voice this season as Adam Levine's adviser to his team. She and Adam have been filming in Burbank, Calif., with his team of 12, working with each of his artists as they assign songs and rehearse with them, preparing for the Battle Rounds. Season 7 of The Voice started production last month and will premiere on September 22 on NBC. (Photo by Chris Pizzello/Invision/AP, File)