- Apr 1 Robin Scott, English singer (M), born in London
- Apr 2 Emmylou Harris, American country singer (Together Again), born in Birmingham, Alabama
- Apr 4 Salvatore Sciarrino, Italian composer, born in Palermo, Italy
- Apr 6 Tony Cooner, Essex, drummer (Hot Chocolate-You Sexy Thing)
- Apr 7 Patricia Bennett, US singer (He's So Fine)
- Apr 7 Florian Schneider, German musician (Kraftwerk)
- Apr 7 Charles 'skip' Pitts, soul and blues guitarist (Shaft), born in Washington, D.C. (d. 2012)
- Apr 8 Steve Howe, rock guitarist (Asia, Yes-Roundabout), born in London, England
- Apr 8 Larry Norman, American musician and pioneer of Christian rock music (Why Should the Devil Have All the Good Music?), born in Corpus Christi, Texas (d. 2008)
- Apr 10 Bunny Wailer [Neville O'Riley Livingston], Jamaican vocalist and percussionist (The Wailers with Bob Marley), born in Kingston, Jamaica
- Apr 13 Thanos Mikroutsikos, Greek composer & former minister
- Apr 15 Bojoura, [Raina GB van Melzen], Dutch singer/wife of Hans Cleuver
- Apr 15 Michael DeBello, singer (Maniac)
- Apr 15 Mike Chapman, Australian songwriter/producer (Chinn & Chapman)
- Apr 15 Stuart "Woolly" Wolstenholme, British keyboardist and vocalist (Barclay James Harvest), born in Chadderton, Lancashire (d. 2010)
- Apr 16 Gerry Rafferty, Paisley Scotland, guitarist/vocalist (Baker Street)
- Apr 17 Linda Martin, Irish singer
- Apr 19 Murray Perahia, American pianist (Avery Fischer Prize-1975, Grammy 1988), born in NYC, New York
- Apr 20 Björn Skifs, Swedish singer (Blue Swede)
Iggy Pop
- Apr 21 John Weider, bassist (Family-Family Entertainment)
- Apr 22 Barry Guy, English composer and double bass player, born in London
- Apr 23 Saskia, [Trudy van den Berg], singer (S & Serge, Spinning Wheel)
- Apr 23 Glenn Cornick, English rock bassist (Jethro Tull-Thick as a Brick), born in Barrow-in-Furness, Cumbria, (d. 2014)
- Apr 24 Hubert Ann Kelly, US singer (Hues Corporation/Rock the boat)
- Apr 25 Bill Fontana, composer
- Apr 27 Ann Peebles, Missouri, singer (I Can't Stand the Rain)
- Apr 27 Herbie Murrell, US soul singer (Stylistics-You are My Everything)
- Apr 27 Pete Ham, Welsh rock vocalist (Badfinger-Come & Get It), born in Swansea, Wales
- Apr 27 Peter Gena, American composer
- Apr 28 Steve Khan, jazz musician (Christmas Waltz), born in Los Angeles, California
- Apr 29 Tommy James, singer (cri-im-son & clo-o-ver o-o-ver & o-o-ver)