- Apr 3 James "Bubber" Miley, American jazz trumpet and cornet player (Duke Ellington, 1923-29 - "East St. Louis Toodle-Oo"; "Black And Tan Fantasy"), born in Aiken, South Carolina (d. 1932)
- Apr 5 Thomas Pitfield, British composer, born in Bolton, England (d. 1999)
- Apr 17 Gregor Piatigorsky, Ukrainian-American cellist, born in Ekaterinoslav, Ukraine (d. 1976)
- Apr 17 Nicolas Nabokov, Russian composer (Holy Devil), born in Lubcza, Minsk, Belarus (d. 1978)
- Apr 18 Yury Sergeyevich Milyutin, Russian composer, born in Moscow (d. 1968)
- Apr 25 Carl Gustav Sparre Olsen, Norwegian composer, born in Stavanger, Norway (d. 1984)
- Apr 29 Frank Parker, American singer (Arthur Godfrey Show; Masquerade Party), born in New York City (d. 1999)
- Apr 30 Günter Raphael, German composer (Symphony Breve), born in Berlin, Germany (d. 1960)
About April 1903
How Old? 121 years old
Generation: Greatest Generation
Leap Year: No
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers