'The Voice' Sneak Peek! Members of 'Team Adam' Battle to Pharrell's 'Happy'

The battle rounds on "The Voice" have begun! In the upcoming episode, two members of Adam Levine's team, Josh Kaufman and Austin Ellis, are dueling with a rendition of Pharrell Williams' hit song, "Happy."

Check it out!

"The Voice" airs Mondays and Tuesdays at 8 PM on NBC.