- Apr 1 Kathy Stobart, British jazz tenor saxophonist, bandleader, and teacher, born in South Shields, England (d. 2014)
- Apr 4 (Huberdina) "Erna" Spoorenberg, Dutch soprano (Vienna State Opera, De Nederlandse Opera), and voice teacher, born in Yogyakarta, Java, Dutch East Indies (now Indonesia) (d. 2004)
- Apr 5 Oldřich Flosman, Czechoslovakian composer (Visions of Michelangelo; Butterflies Don't Live Here Any Longer), born in Pilseň, Czech Republic (d. 1998)
- Apr 13 Hilda Dianda, Argentine contemporary classical and electro-acoustic composer (Rituales; Después el Silencio), musicologist, and educator, born in Córdoba, Argentina
- Apr 14 Bill Harris, American R&B and jazz guitarist (Clovers - "Ting-A-Ling"; "Devil Or Angel"), born in Nashville, North Carolina (d. 1988)
- Apr 14 Gene Ammons, American jazz saxophonist ("The Happy Blues"), born in Chicago, Illinois (d. 1974)
- Apr 18 Robert Crawford, Scottish composer, born in Edinburgh, Scotland (d. 2011)
- Apr 20 Richard Hoffmann, Austrian violinist, composer, and pedagogue (Oberlin -1954-2004), born in Vienna, Austria (d. 2021)
- Apr 26 Jørgen Ingmann, Danish jazz and pop guitarist ("Apache"; "Dansevise"), born in Copenhagen, Denmark (d. 2015)
- Apr 26 Wilma Lipp, Austrian soprano (Vienna Opera, 1945-81; Mozart's Die Zauberflöte - "Queen of the Night"), born in Vienna, Austria (d. 2019)
- Apr 28 Laura Weber, American folk guitarist, educator, and public television host, born in New York City (d. 1995)
- Apr 29 Danny Davis [George Nowlan], American country musician (Nashville Brass), born in Randolph, Massachusetts (d. 2008)
- Apr 30 Johnny Horton, American country music and rockabilly singer ("The Battle of New Orleans"), born in Los Angeles, California (d. 1960)
About April 1925
How Old? 98 or 99 years old
Generation: Greatest Generation
Leap Year: No
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers