May 4 Juan MarĂa Thomas Sabater, Spanish composer, dies at 69 May 9 Alfred Mendelsohn, Romanian composer, and conductor (Romanian National Opera, 1944-63), and teacher, dies at 56 May 25 Ricardo Castillo, Guatemalan composer, dies at 71 Apr 1966 Deaths in Music by Year Jun 1966 Famous Musicians Country Singers Jazz Musicians Opera Singers Pop Stars Rappers Rockers