The Jerusalem Symphony Orchestra of the Israel Broadcasting Authority (Hebrew: התזמורת הסימפונית ירושלים, רשות השידור, ha-Tizmoret ha-Simfonit Yerushalayim Rashut ha-Shidur) is a major orchestra of Israel. Since the 1980s, the JSO has been based in the Henry Crown Symphony Hall, part of the Jerusalem Theater complex. One of the most notable premieres performed by the orchestra was The Seven Gates of Jerusalem by Polish composer Krzystof Penderecki, conducted by Maestro Lorin Maazel, which was composed for the finale of the Jerusalem 3000 celebrations.