Oxford University Press (OUP) is the world’s leading university press, and has been publishing choral, orchestral, instrumental, and educational titles since 1923.
OUP Music publishes the works of renowned choral composers John Rutter and Bob Chilcott, and the much-loved Carols for Choirs Christmas anthologies.
https://global.oup.com/academic/category/arts-and-humanities/sheet-music