Riverstone Estate in Foxburg will be the site of a bluegrass mini-festival on Aug. 4. Two prominent musical groups will perform.

Allegheny RiverStone Center for the Arts is the concert’s host. It features Western Pennsylvania bluegrass band Echo Valley and the David Mayfield Parade.

The concert takes place from 5 to 8:30 p.m. at Riverstone Estate, 527 Foxview Road, Foxburg. Doors open at 4 p.m., and Echo Valley starts at 5 p.m. The David Mayfield Parade will do a two-hour show starting at 6 p.m.

In the event of inclement weather, the concert will move to the RiverStone H-Barns Olympic arena.

Admission is $20 for adults, $5 for students and free for children under 6 years. Tickets are available by calling 724-659-3153, online at alleghenyriverstone.org, or at the gate on show day.