29 March – Benjamin Britten's Sinfonia da Requiem is premiered in Carnegie Hall by the New York Philharmonic Orchestra conducted by John Barbirolli.
3 April – William Walton's Scapino overture has its premiere in Chicago, conducted by Frederick Stock.
May – Arthur Bliss joins the BBC's overseas music service.
10 May – London's Queen's Hall, venue for the Promenade Concerts, is bombed by the Luftwaffe. The Proms re-locate to the Royal Albert Hall.
30 October – On the occasion of Britten's String Quartet No. 1 being performed in Washington, he is awarded the Library of Congress Medal for services to chamber music.
"Could You Please Oblige Us with a Bren Gun?" w.m. Noël Coward
"Down Forget-Me-Not Lane" w.m. Horatio Nicholls, Charlie Chester & Reg Morgan
"He Wears A Pair Of Silver Wings" w. Eric Maschwitz m. Michael Carr
"Hey Little Hen" w.m. Ralph Butler & Noel Gay
"London Pride" w.m. Noël Coward
"When They Sound The Last All Clear" w.m. Hughie Charles, Louis Elton
Richard Addinsell – Warsaw Concerto
Arthur Bliss – String Quartet No. 1
Benjamin Britten – String Quartet No. 1
Ralph Vaughan Williams – England, my England
Benjamin Britten – Paul Bunyan
Richard Addinsell – Dangerous Moonlight
William Walton – Major Barbara, starring Wendy Hiller and Rex Harrison.
He Found a Star, starring Vic Oliver
Turned Out Nice Again, starring George Formby
You Will Remember, starring Robert Morley and Emlyn Williams
5 March - Apple Sauce revue opens at the Palladium.
24 July - Lady Behave London production opens at His Majesty's Theatre and runs for 401 performances.
19 November - Get a Load of This London production opens at the Hippodrome Theatre and runs for 698 performances.
12 January – Long John Baldry, R&B singer (died 2005)
4 February – John Steel, drummer (The Animals and Eggs over Easy)
14 February – Big Jim Sullivan, English guitarist (died 2012)
13 April – Margaret Price, soprano
9 May – Pete Birrell, bass player (Freddie and the Dreamers)
11 May – Eric Burdon, R&B singer (The Animals)
21 May - Martin Carthy, folk musician
9 June – Jon Lord, keyboard player and composer (died 2012)
7 July - Jim Rodford, bass player (The Kinks, The Swinging Blue Jeans, The Zombies, The Kast Off Kinks, and Argent)
17 July - Spencer Davis, instrumentalist (The Spencer Davis Group)
20 August – Anne Evans, operatic soprano
10 September – Christopher Hogwood, conductor and harpsichordist
27 October - Don Partridge, singer-songwriter (died 2010)
2 November - Brian Poole, singer (The Tremeloes)
15 November - Rick Kemp, singer-songwriter, bass player, and producer (Steeleye Span)
24 November - Pete Best, Beatles' original drummer
10 January – Frank Bridge, composer, 61
19 February – Sir Hamilton Harty, conductor and composer, 61
11 March – Sir Henry Walford Davies, composer, 71
16 August – John Coates, operatic tenor
date unknown - William Hargreaves, music hall composer
1941 in British music Wikipedia
This is a summary of 1941 in music in the United Kingdom.