Buy Harmony Sweepstakes A Cappella Festival tickets for Birchmere Music Hall in Alexandria, VA. The event is scheduled for Sat, May 18, 2024 7:30 pm. We have 18 tickets in various price ranges from $58.00 to $90.00 with an average price of $71.00. Make sure to utilize our interactive seating chart to select the perfect seats for your experience.