Apr 1 Gus Aiken, American jazz and blues trumpeter (Jenkins Orphanage Band), dies at 70 Apr 2 Jascha Horenstein, Russian-born American conductor, dies at 74 Apr 7 Nick Stuart, Romanian-born American bandleader and actor (Secrets of Chinatown), dies of cancer at 69 Apr 16 István Kertész, Hungarian orchestral and operatic conductor, dies at 43 Apr 20 Elisabeth Hauptmann, German writer (co-author of The Threepenny Opera), dies at 75 Apr 29 Manfred Gurlitt, German composer, dies at 82 Mar 1973 Deaths in Music by Year May 1973 Famous Singers Country Singers Jazz Singers Opera Singers Pop Singers Rappers Rock Singers