Symphony Orchestra will begin at 7 p.m. in Armstrong Concert Hall. Proceeds of this concert benefit the members of the Symphony Orchestra as they prepare to embark on their second international tour to Argentina. This performance features renowned Irish pianist and Shenandoah Conservatory Distinguished Artist-in-Residence John O’Conor. Tickets are $25 for adults, $22 for senior citizens and $10 for non-SU students. Purchase tickets at the Ohrstrom-Bryant Theatre box office; call 540/665-4569 or go to www.conservatoryperforms.org. The box office is open 10 a.m. to 6 p.m. Monday through Friday and two hours before this concert at the performance venue. All Shenandoah employees can pick up free tickets for performances at any time. Free “rush” tickets are available to SU students two hours prior to this performance.