PSO Rocks Unplugged.  Sunday, September 21. 2025. An exclusive Rock Benefit Concert for the Piedmont Symphony Orchestra featuring the PSO’s Rock Band and String Orchestra. Performing your favorite hits from the Rock Songbook. Beer/wine and light fare Social at 5:00 p.m. with concert beginning at 5:30 p.m. with a brief intermission. Seats are limited ($75 each). Get your tickets today!