OWOS Summer Series Concert: Libor Dudas Tuesday, August 30, 2016 8:00 PM 9:00 PM 20:00 21:00 Google Calendar ICS The Old West Organ Society presents their Summer Series Concerts. The OWOS Summer Series Concerts take place on Tuesday evenings in July and August.Concerts begin at 8pm and last 45 minutes.Admission is free. Suggested donation is $10.