- Apr 2 Wallingford Riegger, American cellist, composer (New Dance; Cooper Square), and educator, dies from head injuries in a dog walking accident at 75
- Apr 7 Jesús Guridi, Spanish composer, dies at 74
- Apr 7 Yusef Greiss, Egyptian composer, dies at 61
- Apr 11 Francis de Bourguignon, Belgian composer, dies at 70
- Apr 12 Nils-Eric Fougstedt, Finnish composer (Angoscia, Trittico sinfonico), dies at 50
- Apr 21 James Melton, American pop (1920-30's) and operatic tenor (Metropolitan Opera, 1942-50), dies at 57
- Apr 24 (Joseph) Rosario Bourdon, French Canadian-American cellist, violinist, conductor, arranger and musical director (Victor Talking Machine Company, 1905-31; Symphonique de Montréal, 1935-44), dies at 76
- Apr 29 (Irving Milford) "Miff" Mole, American jazz trombonist, and composer (Red Nichols and His Five Pennies - "Slippin' Around"; Sophie Tucker), dies at 63
- Apr 29 Cisco Houston, American folk singer (b. 1918)
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers