In Harmony Heritage Music Festival--Appalachian, Bluegrass, Harmonist. 15 groups over two days. Two historic venues--an 1805 barn and a 1825 Meeting. Performers include: Cello Fury, Allegheny Drifters, Mirror Trio, Old Song Rescue Society, Pittsburgh Historical Music Society Orchestra, Snappin’ Bug String Band, Sarah Sternaka and Devin Sherman, “Gertrude Rapp” and the Silk House Singers, Well Strung, Pittsburgh Banjo Club, South Wind, Midnight Rooster, and The Wayward Companions. Food, beverages, beer garden, kids' activities.