Longtime local favorites, this energetic quartet encourages exuberant dancing with their lively mix of New Orleans R&B, rockabilly, swing, and country two-step.

• The roots rock quartet known as the Grandsons has been shaking up the local music scene since 1986. They combine New Orleans rhythm and blues, rockabilly, swing, and country two-step for a sound that is all their own.
• The Washington Area Music Association recently named the group Artist of the Year in 2008 and also dubbed their latest recording Live at the Barns: The Legendary Wolf Trap Recordings, Volume Two roots rock Album of the Year.