NBC to Preview 'The Voice' Prior to 'Tonight Show'

The 12-minute preview will feature a performance with Christina Aguilera, Adam Levine, Cee Lo Green and Blake Shelton.
"The Voice"

NBC will be showing a sneak peek of its upcoming singing competition series, The Voice.

A 12-minute preview, featuring the four musician coaches (Christina Aguilera, Adam Levine, Cee Lo Green and Blake Shelton) performing "Crazy," will air Thursday at 11:35-11:47 p.m. as a lead-in to The Tonight Show With Jay Leno

NBC will also be featuring two-minute clips as the four come together to perform on Saturday at 11:30 p.m. right before Saturday Night Live.

At NBCUniversal's summer press day on Friday, an extended preview -- showcasing the "Crazy" performance -- was shown to a roomful of reporters; the preview that will be broadcast will be similar in content.

The Voice, from Mark Burnett and hosted by Carson Daly, premieres Tuesday at 9 p.m.