Its earliest concerts included the UK premiere of Mahler's "Eighth Symphony" (15 April 1930, under Sir Henry Wood), Beethoven's "Missa Solemnis" (17 December 1930), the London premiere of Walton's "Belshazzar's Feast" (25 November 1931, under Adrian Boult) and Stravinsky's "Symphony of Psalms" (27 January 1932, under Ernest Ansermet). The "Missa Solemnis" under the baton of Herman Scherchen on 17 December 1930 was the first performance of the Chorus with the new BBC Symphony Orchestra. Outstanding events in the following years included the premiere of "Morning Heroes" by Bliss, on 25 March 1931; and the British premiere of Hindemith’s oratorio "Das Unaufhörliche", which Wood conducted on 22 March 1933. Also noted are performances under such conductors as Adrian Boult, Arturo Toscanini and Bruno Walter.