- Jan 4 Albert Löfgren, Swedish clarinetist and composer (Slåttergille Rhapsody), dies at 57
- Jan 27 Jean Hure, French composer and organist, dies at 52
- Feb 23 Horst Wessel, German nazi lyricist (Fahne Hoch), dies at 22
- Apr 1 Cosima Liszt, Austrian wife of composer Richard Wagner (founded Bayreuth Festival together), daughter of Franz Liszt and Marie d'Agoult, dies at 92
- Apr 3 Emma Albani, Canadian operatic soprano, dies at 82
- May 8 (Ivar) Henning Mankell, Swedish pianist and composer, dies at 61
- May 18 João Marcelino Arroio, Portuguese composer (Amor de Perdiçâo), dies at 68
- Jul 15 Leopold von Auer, Hungarian-American violinist, dies at 85
- Jul 29 Alexander von Fielitz, German composer and conductor (Chicago Symphony Orchestra), dies at 69
- Aug 4 Siegfried Wagner, German opera composer and conductor, dies at 61
- Oct 1 Ricardo Drigo, Italian composer, dies at 84
- Dec 17 Peter Warlock [Philip Heseltine], British composer, dies of a probable suicide at 36
- Dec 24 Oskar Nedbal, Czech composer, dies at 56
- Dec 25 Harvey Worthington Loomis, American composer (Lyrics of the Red Man), dies at 65
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