The 4-day San Francisco Bluegrass and Old-Time Festival.holds its final day at the Jerry Garcia Amphitheater. This concert showcases several of our local troubadours at a non-stop afternoon of new and traditional tunes sung and played by AJ Lee and Blue Summit, Beauty Operators, Crooked Jades, Rusty Stringfield 3-and the Bluegrass All Stars Featuring Laurie Lewis.