The Grascals on ABC.

This coming Tuesday (Aug 2) marks the first television appearance of the Nashville based bluegrass band The Grascals.

From The Grascals website:

Rounder Records bluegrass group The Grascals will make their network television debut as they perform “Viva Las Vegas” with Dolly Parton during “CMA Music Festival: Country Music’s Biggest Party,” airing on Tuesday, August 2, at 9:00 PM (ET) on the ABC Television Network. The two-hour special was taped during CMA Music Festival in Nashville last month and also includes performances by Alan Jackson, Keith Urban, Rascal Flatts, Dierks Bentley, Gretchen Wilson and many more. The Grascals’ performance with Parton was taped during their show on the Coliseum stage. The duet appears on The Grascals’ self-titled Rounder debut.