NBC to air 'The Voice' preview Thursday

To boost viewer interest in its upcoming singing competition The Voice, NBC is going to air a 12-minute preview of the reality show on Thursday night.

The preview will air in the place of the opening of The Tonight Show with Jay Leno, pushing the talk-show opening to 11:48 p.m.

This is roughly the same preview critics saw last week at NBC’s summer press event that received generally positive reactions in the room. It also features “coaches” Christina Aguilera, Cee Lo Green, Adam Levine, and Blake Shelton joining together for a song at the top of the clip.

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