Host Stephen "tWitch" Boss and celebrity judges Meghan Trainor, Adam Lambert and Ester Dean welcome the best cover bands from across the country to celebrate music and the art of performance. Each episode will see two bands from similar genres go head-to-head over the course of two rounds for a chance of winning a studio appearance on "The Tonight Show Starring Jimmy Fallon." Competitors will be covering the music of Britney Spears, Celine Dion, Tim McGraw, U2, Lady Gaga, Dolly Parton, Depeche Mode, Jennifer Lopez, Elton John, Tina Turner, Keith Urban and more.