Pomp and Circumstance Marches central "Trio" section. March No. 4 was completed on 7 June 1907, and dedicated "To my friend Dr. G. Robertson Sinclair, Hereford". It was first performed on 24 August 1907, in the Queen's Hall, London, conducted by the composer. The instrumentation is: piccolo (with 3rd flute), 2 flutes, 2 oboes, cor anglais, 2 clarinets in B, bass clarinet in B, 2 bassoons, contrabassoon, 4 horns in F, 3 trumpets in A, 3 trombones, tuba, timpani (3), percussion (side drum, bass drum & cymbals), 2 harps, and strings. The "Trio" was used by Elgar in a song called "The King's Way"
Pomp and Circumstance Marches clarinets in A, bass clarinet in A, 2 bassoons, contrabassoon, 4 horns in F, 2 trumpets in F, 2 cornets in A, 3 trombones, tuba, timpani (3), percussion (2 side drums, triangle, glockenspiel & jingles, bass drum & cymbals), and strings. It was first performed, as was March No. 1, by the Liverpool Orchestral Society conducted by Alfred Rodewald, in Liverpool on 19 October 1901. Both marches were played two days later at a London Promenade Concert. The second is the shortest and most simply constructed of the marches. The composer Charles Villiers Stanford is said to have preferred this