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 friend Alfred E. Rodewald and the members of the Liverpool Orchestral Society". The instrumentation is: two piccolos (2nd "ad lib."), two flutes, two oboes, two clarinets in A, bass clarinet in A, two bassoons, contrabassoon, four horns in F, two trumpets in F, two cornets in A, three trombones, tuba, three timpani, percussion (bass drum, cymbals, triangle, side drum, jingles, glockenspiel (ad. lib.) and tambourine (ad lib.)), two harps, organ, and strings. The best known of the six marches, "Pomp And Circumstance March No. 1 In D" had its premiere, along with March No. 2, in Liverpool on 19 October