- Apr 3 Miguel Bose, Panamanian-born Spanish singer and actor (El Avaro, Queen Margot), born in Panama City
- Apr 4 Allan Harris, American jazz singer and guitarist (Cross That River; Kate's Soulfood), born in Harlem, New York City
- Apr 4 Evelyn Hart, Canadian prima ballerina (Royal Winnipeg Ballet), born in Toronto, Ontario
- Apr 6 Hal Willner, American music producer (Lost In The Stars: The Music of Kurt Weill; Stay Awake: Various Interpretations of Music from Vintage Disney Films; The Carl Stalling Project), born in Philadelphia, Pennsylvania (d. 2020)
- Apr 8 Justin Sullivan, British rock singer-songwriter (New Model Army), born in Jordans, Buckinghamshire, England
- Apr 12 Herbert Grönemeyer, German singer (Mensch; Spruenge), born in Göttingen, Germany
- Apr 13 Matthew Peaceman, American oboist, conductor, composer (Abyss/Scorched Earth), and teacher, born in New York City (d. 2008)
- Apr 19 Gary Langan, British sound engineer, record producer, and musician (The Art of Noise, 1983-86), born in Surrey, England
- Apr 22 Kenny Lyon, American rock guitarist, bassist, music producer, born in Coral Gables, Florida
- Apr 27 Bryan Harvey, American musician (House of Freaks), born in Richmond, Virginia (d. 2006)
- Apr 28 Jimmy Barnes [Swan], Scottish-Australian rock and blues singer-songwriter ("For the Working Class Man"), born in Glasgow, Scotland
- Apr 29 Ketil Stokkan, Norwegian pop singer (Zoo), born in Harstad, Norway
- Apr 29 Ron Verlin, American power-pop bassist (Shooting Star), born in Kansas City, Missouri
- Apr 30 Jorge Chaminé, Portuguese operatic baritone, born in Porto, Portugal
About April 1956
How Old? 68 years old
Generation: Baby Boomer
Leap Year: Yes
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers