Ensembles appearing at the Hall include the Juilliard String Quartet, the Royal Concertgebouw Orchestra of Amsterdam, the Vienna Philharmonic Orchestra, the Czech Philharmonic, the Berlin Philharmonic Orchestra, the Munich Philharmonic Orchestra, the Bavarian Radio Symphony Orchestra, the San Francisco Symphony Orchestra, the Shanghai Symphony Orchestra and the Vienna Boys Choir. Concerts by visiting orchestras are often broadcast to overflow crowds numbering in the thousands who fill the Square. Professional Taiwanese ensembles that regularly appear in the hall include the National Symphony Orchestra, the Taipei Symphony Orchestra, the National Taiwan Symphony Orchestra, the Evergreen Symphony Orchestra, the Taipei Chinese Orchestra, the Taiwan National Choir, the Formosa Singers, and the Taipei Philharmonic Orchestra and Chorus.