Central Contra Costa community orchestra conducted by Matilda Hofman, celebrating its 53rd season. Performs 5 concerts a year at Lesher Center in Walnut Creek. The Diablo Symphony Orchestra is the oldest aggregation of volunteer musicians in Contra Costa County and is led by Music Director Matilda Hofman. The mission of the Diablo Symphony Orchestra is to enrich the lives and cultural climate of our community by performing a diverse repertoire of live classical music and making it accessible to our regions diverse population. We foster the next generation of young musicians, provide educational programs and offer performing opportunities to local musicians.