- Apr 1 Lucille Bogan, American blues singer and songwriter ("Sweet Petunia"; "Black Angel Blues"), born in Amory, Mississippi (d. 1948)
- Apr 7 Harald Sæverud, Norwegian composer (Rondo Amoroso; Sinfonia Dolorosa), born in Bergen, Norway (d. 1992)
- Apr 8 Herbert Eimert, German composer and musicologist (Glockenspiel), born in Bad Kreuznach, Kingdom of Prussia (d. 1972)
- Apr 11 Caspar Neher, Austrian-German set designer and librettist, born in Augsburg, Germany (d. 1962)
- Apr 16 Arthur Charles Ernest Hoérée, Belgian-French composer, born in St. Gilles, Brussels, Belgium (d. 1986)
- Apr 16 Jaap Vranken, Dutch organist and composer (Stabat Mater), born in Utrecht, Netherlands (d. 1956)
- Apr 16 Milton Cross, American radio announcer (Metropolitan Opera's Saturday Afternoon at the Opera, 1931-75), born in New York City (d. 1975)
- Apr 17 Harald Saeverud, Norwegian composer (Saline), born in Bergen, Norway (d. 1992)
- Apr 19 Vivienne Segal, American Broadway actress and singer (Pal Joey), born in Philadelphia, Pennsylvania (d. 1992)
- Apr 24 György Kósa, Hungarian composer, born in Budapest, Hungary (d. 1984)
- Apr 25 Haro Levoni Step'anian, Armenian composer, born in Ganja, Azerbaijan (d. 1966)
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers