John Williams’ chamber piece for violin, cello, clarinet and harp will be premiered at the La Jolla Music Society’s SummerFest on Friday, August 19. Written for the festival’s music director, violinist Cho-Liang Lin, the quartet will be performed along with works by Sean Shepherd, Marc-André Dalbavie and Joan Tower. For tickets call (858) 459-3728 or visit the festival’s website.