Brad Paisley and Blake Shelton perform duet on "The Voice"

(CBS) Brad Paisley is the Country Music Association's Entertainer of the Year and the big-deal country star showed the aspiring singers how it's done Tuesday on "The Voice." He also had help from another country star, Blake Shelton, who's one of the show's coaches.

Watch the performance below.

Paisley was on stage to sing his song "Don't Drink the Water" when Shelton joined him. The audience got a kick out of it.