sentences:  It has been conducted by many distinguished maestri in its long history, including Arthur Sullivan, Thomas Beecham, John Barbirolli, Carlo Maria Giulini, Jascha Horenstein, Hans Richter, Pierre Boulez, Charles Mackerras, Colin Davis, John Eliot Gardiner, Yan Pascal Tortelier, Mark Elder, Roger Norrington, John Lubbock and Andrew Davis.Simon Wright is the Conductor and Artistic Adviser.New music has often been commissioned or championed by the Chorus