Anglicanism a surpliced choir to accompany parish services, drawing explicitly on the musical traditions of the ancient choral foundations. Over the next century, the Leeds example proved immensely popular and influential for choirs in cathedrals, parish churches and schools throughout the Anglican communion. More or less extensively adapted, this choral tradition also became the direct inspiration for robed choirs leading congregational worship in a wide range of Christian denominations. In 1719 the cathedral choirs of Gloucester, Hereford and Worcester combined to establish the annual Three Choirs Festival, the precursor for the multitude of summer music festivals since. By the 20th century,
Hugh Blair (composer) conductor of the Worcester Festival Choral Society, which gave the first performance on 18 April 1893, at a time when Elgar was little known outside Worcestershire. Blair also asked Elgar to write an organ voluntary for the visit of some American organists to Worcester, and received Elgar's first Organ Sonata as a result (with the opening theme being reminiscent of a theme from "The Black Knight"). Blair introduced the Verdi Requiem to the Three Choirs Festival in 1896. Worcester Cathedral Library contains copies of his compositions. His Magnificat and Nunc Dimittis in B minor for double choir is still performed