Dan Walker, Dion Dublin, Joe Swash, Rita Simons, Jamelia & Lemar

The three teams joining Marvin and Rochelle Humes to test their music knowledge are broadcasters Dan Walker and Dion Dublin, EastEnders legends Joe Swash and Rita Simons, and popstars Jamelia and Lemar. Who will hit the right note and get the chance to win £10,000 for their chosen charity?