The Deutsches Symphonie-Orchester Berlin (DSO) is a German broadcast orchestra based in Berlin. The orchestra performs its concerts principally in the Philharmonie Berlin. The orchestra is administratively based at the Rundfunk Berlin-Brandenburg (RBB) Fernsehzentrum in Berlin.
The orchestra was founded in 1946 by American occupation forces as the RIAS Symphonie-Orchester (RIAS, Rundfunk im amerikanischen Sektor / "Radio In the American Sector"). It was also known as the American Sector Symphony Orchestra. The orchestra's first principal conductor was Ferenc Fricsay. In... meer