1915 in British music

This is a summary of 1915 in music in the United Kingdom.

Events

 * March – The Musical Times publishes an appreciation of Frederick Delius by the composer Peter Warlock (Philip Heseltine).
 * December – Having been invalided out of the armed forces, composer Havergal Brian and his family move to Erdington, Warwickshire.
 * date unknown
 * Composer Herbert Howells is given six months to live, and becomes the first person in the UK to receive radium treatment (he will live on until 1983).
 * William Penfro Rowlands's hymn tune "Blaenwern" is first published in Henry H. Jones' Cân a Moliant.
 * The Band of the Welsh Guards is formed, simultaneously with the establishment of the regiment.

Popular music

 * Albert William Ketèlbey – "In a Monastery Garden"
 * T. W. Conner – "A Little Bit of Cucumber"
 * George Henry Powell & Felix Powell – "Pack Up Your Troubles in Your Old Kit-Bag"

Classical music: new works

 * Granville Bantock – Hebridean Symphony
 * Frank Bridge – Lament
 * Dora Bright – A Dancer's Adventure (ballet)
 * Frederick Delius – Double Concerto for violin, cello and orchestra
 * Edward Elgar – Incidental music for The Starlight Express
 * Gustav Holst – Japanese Suite
 * John Ireland – Preludes for Piano
 * Percy Pitt
 * Sakura suite No. 2 (Suite de Ballet)
 * Ballet Egyptien
 * Suite pour petite orchestre

Opera

 * Rutland Boughton – Bethlehem

Musical theatre

 * 24 April – Betty, with lyrics by Adrian Ross and music by Paul Rubens, opens at Daly's Theatre, starring Winifred Barnes.
 * 28 April – Tonight's the Night, with lyrics by Percy Greenbank and music by Paul Rubens, opens at Daly's Theatre, featuring George Grossmith and Leslie Henson.

Births

 * 11 January – Harry Lewis, musician and composer (died 1998)
 * 25 January – Ewan MacColl, folk singer and songwriter (died 1989)
 * 4 February – Norman Wisdom, comedian, singer and actor (died 2010)
 * 10 March – Charles Groves, conductor (died 1992)
 * 19 March – Nancy Evans, operatic mezzo-soprano (died 2000)
 * 25 March – Dorothy Squires, singer (died 1998)
 * 29 March – George Chisholm, jazz trombonist and comedian (died 1997)
 * 26 August – Humphrey Searle, composer (died 1982)
 * 28 November – Pamela Harrison, pianist and composer (died 1990)

Deaths

 * 15 January – Florence Everilda Goodeve, composer and lyricist, 53
 * 4 June – William Denis Browne, pianist, organist and composer, 26 (killed in action)
 * 6 June – William Hayman Cummings, tenor, organist and composer, 83
 * 10 December – David Jenkins, composer, 66