This program captures the music and spirit of this summer festival that takes place annually in San Francisco's Golden Gate Park. Celebrating the resurgence of bluegrass music with musicians young and old, and taking it in new directions, the festival, and this program, features music and performers that go beyond bluegrass. Highlights include performances by Earl Scruggs, Doc Watson, Ricky Skaggs and Bruce Hornsby, Bela Fleck, Gillian Welch and Emmylou Harris.