- Apr 8 12th Eurovision Song Contest: Sandie Shaw for United Kingdom wins singing "Puppet on a String" in Vienna
- Apr 9 "At the Drop of Another Hat" closes at Booth NYC after 105 performances
- Apr 11 "Illya Darling" opens at Mark Hellinger Theater NYC for 320 performances
- Apr 15 Leon Gluckman and Jeremy Taylor's folk music revue "Wait A Minim!" closes at John Golden Theater, NYC, after 457 performances
Music History
Apr 16 Jimmy Van Heusen and Sammy Cahn's musical "Walking Happy", based on the 1916 novel "Hobson's Choice", "Walking Happy" closes at Lunt Fontanne Theater, NYC, after 161 performances
Respect
Apr 29 Aretha Franklin releases her single "Respect" (written by Otis Redding); Billboard Song of the Year, 1967
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers