Throughout the 2023-34 season, the San Francisco Symphony will present its SoundBox series, curated by four musicians on each of four weekends. The small Soundbox space is designed to allow for multi-sensory, interactive experiences. Expect the unexpected. Get ready to see musical experiments in action. The details of the SoundBox programs remain under wraps, but the esteemed curators are as follows: Mazz Swift (Dec. 8-9); Thomas Adès (Feb. 23-24); Esa-Pekka Salonen (March 8-9); Carol Reiley (April 5-6).