The “Champagne with the Symphony” Anniversary Celebration celebrates Rossmoor's 50th anniversary and commemorates 46 years of cooperation between the Diablo Symphony and Rossmoor. Ticket sales for this September concert are limited to Rossmoor residents. Advance tickets will be sold ONLY at the Fireside Room in Rossmoor on Thursday, August 21 at 7:00pm; maximum 2 tickets … Continue Reading ››