SNEAK PEEK: John Legend & Jennifer Nettles' Duet

On tonight's episode of Duets, the theme is songs that inspire and celebrity mentors John Legend and Jennifer Nettles are taking on the classic "I've Got the Music in Me" by Kiki Dee. In the featured sneak peek above, country and R&B collide as the two harmonize to form a unique duet. VIDEO: 'Duets' Cast on Britney Hosting 'X Factor'