- Jan 10 Oscar Fetrás [Otto Faster], German composer (Mondnacht auf der Alster), dies at 76
- Jan 21 Felix Blumenfeld, Russian composer, conductor and pianist, dies at 67
- Jan 23 Anna Pavlova, Russian prima ballerina and choreographer (Diaghilew, Dying Swan), dies from pneumonia at 49
- Feb 7 Ion Vidu, Romanian composer and conductor, dies at 67
Nellie Melba (1861-1931)
Feb 23 Australian operatic soprano and face of the Australian 100 dollar note, dies at 69
- Mar 8 Clara Kathleen Rogers, composer, dies at 87
- Apr 4 George Whitefield Chadwick, composer, dies at 76
- Apr 6 Giuseppe Radiciotti, Italian musicologist and composer, dies at 73
- Apr 9 Paul Vidal, French composer and conductor, dies at 67
- May 3 Frank Hoyt Losey, American composer, arranger of band and orchestral music, and advisor to Edison Phonograph Company, dies at 59 [1]
- May 3 Otto Winter-Hjelm, Norwegian musician and composer, dies at 93
- May 12 Eugène Ysaÿe, Belgian violin virtuoso (Caesar Franck's sonata), composer (Six Sonatas for Solo Violin, op. 27), educator (Brussels Conservatoire, 1881-98), and conductor (Cincinnati Symphony, 1918-22), dies pf complications from diabetes at 72
- May 13 Josif Marinković, Serbian composer, dies at 79
- Jun 9 Henrique Oswald, Brazilian composer, dies at 79
- Aug 6 (Leon Bismarck) "Bix" Beiderbecke, American jazz cornetist - one of the most influential jazz soloists of the 1920s, pianist, and composer (In A Mist), dies of alcoholism exacerbated pneumonia at 28
- Aug 20 Waldemar von Baussnern, composer, dies at 64
- Sep 10 Alfonso Rendano, Italian composer, dies at 78
- Sep 28 Sylvain Dupuis, Belgian conductor, composer, (Le Chant de la Création), and music educator, dies at 74
- Oct 3 Carl Nielsen, Danish violinist and composer (Det Uudslukkelige), dies of a heart attack at 66
- Oct 20 Emánuel Moór, Hungarian composer, pianist, and inventor of musical instruments, dies at 68
- Oct 29 Luciano Gallet, Brazilian pianist, composer, conductor, and educator, dies at 38
- Nov 4 Buddy Bolden, African-American early jazz musician, dies at 54
- Nov 17 Georgi Atanasov, Bulgarian composer (Gergana), dies at 50
- Nov 19 Frederic Cliffe, English composer, dies at 74
- Nov 23 Evert Cornelis, Dutch conductor and pianist, dies at 46
- Nov 30 John Hyatt Brewer, American composer, dies at 75
- Nov 30 Marc Delmas, French composer, chiefly of stage and choral works, and musicologist, dies at 46
Vincent d'Indy (1851-1931)
Dec 2 French composer (Symphony on a French Mountain Air), and teacher, dies at 80
- Dec 27 Peter C. Lutkin, American organist, composer (The Lord Bless You and Keep You), choral conductor, and educator (Northwestern University, 1891-1931)dies of a heart attack at 73
- Dec 27 Walter Courvoisier, Swiss composer, dies at 76