Herbie Hancock
Apr 12 Herbie Hancock, American pianist (I Thought it Was You), born in Chicago, Illinois

Herbie Hancock
- Apr 13 Lester Chambers, American vocalist (Chamber Brothers-Time Has Come Today), born in Mississippi
- Apr 13 Vladimir Cosma, Romanian-French violinist, conductor, and classical and film score composer, born in Bucharest, Romania
- Apr 17 Billy Fury [Ronald Wycherley], English singer (When Will You Say I Love You), born in Liverpool, England (d. 1983)
- Apr 17 Anja Silja, German soprano, born in Berlin
- Apr 18 Mike Vickers, British rock guitarist (Manfred Mann-Mighty Quinn), born in Southampton, Hampshire
- Apr 19 Genya Ravan, American vocalist (Goldie & the Gingerbreads, Ten Wheel Drive), born in Łódź, Poland
- Apr 20 Timothy Lee Drummond, American musician, born in Canton, Illinois (d. 2015)
- Apr 25 O. B. McClinton, American country singer (Keep your arms around me), born in Senatobia, Mississippi (d. 1987)
- Apr 26 Giorgio Moroder, Italian producer, singer and songwriter (Cat People, Top Gun), born in Ortisei, Italy
About April 1940
How Old? 80 years old
Generation: Silent Generation
Leap Year: Yes