Joan and Irwin Jacobs hosted the La Jolla Music Society’s SummerFest Gala, “Echoes Across a Continent,” Aug. 15 at their home in La Jolla. Proceeds from the soiree help support the Music Society’s education and outreach program and also the artistic programming of its major performances, such as Celebrity Recital Series, Celebrity Orchestra Series, and SummerFest, which concludes 8 p.m. Friday, Aug. 28 with Strings! Glorious Strings! at Sherwood Auditorium in the Museum of Contemporary Art, 700 Prospect St. ljms.org