Nicks will assist Levine in preparing, guiding and rehearsing with his 12 hopefuls during the show's "battle" rounds in which two team members are pitted against one another to sing the same song. Only one artist survives each "battle" unless a fellow coach decides to "steal" the singer for his or her own team.
The Voice's seventh edition, which is currently filming, is set to premiere on September 22 on NBC.
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