“John Zorn at 70” September 1 @ 11:00 pm $50 – $70 Composer, conductor, saxophonist, arranger and producer known for his avant-garde and experimental sound performs with his ensemble New Masada Quartet. Also Sept. 3. Event Website Venue: Great American Music Hall 859 O'Farrell San Francisco, CA + Google Map + Google Calendar+ iCal Export Music