Elgar was an English composer whose oratorio The Dream of Gerontius is considered one of the finest examples of English choral music in history. He received his training from his father and succeeded him as organist of St. George’s Church, Worcester, in 1885. He earned recognition for his Imperial March, composed in 1897 for Queen Victoria’s diamond jubilee, and for his Enigma Variations. His most popular works are his five marches, the first of which is what famous song? Discuss