Great Musicians Festival at the Res  FREE EVENT! Saturday, May 10, 2025 11PM – 3PM Lafayette Reservoir – Rotary Stage 3849 Mt. Diablo Blvd. Daily Parking $7 Enjoy an afternoon of great toe-tapping iconic music by the jazz pianist and composer Duke Ellington, performed by the outstanding musical talents of the Big Band of Rossmoor … Continue reading Festival at the Res