Zalman Yanovsky was a Canadian folk-rock musician. Born in Toronto, he was the son of political cartoonist Avrom Yanovsky and teacher Nechama Yanovsky, who died in 1958. He played lead guitar and sang for the Lovin' Spoonful, a rock band which he founded with John Sebastian in 1964. He was inducted into the Canadian Music Hall of Fame in 1996. He was also inducted into the Rock and Roll Hall of Fame in 2000 as a member of the Lovin’ Spoonful. He was married to actress Jackie Burroughs, with whom he had one daughter, Zoe.

Joseph Campbell Butler is an American drummer, singer and actor. He is a member of the Lovin' Spoonful, who had seven top 10 hits between 1965 and 1966. Butler would replace the bands original drummer Jan Carl and would occasionally sing lead vocals. After John Sebastian left the band in 1968 he took over full lead vocal duties. He would sing fully on their album Revelation: Revolution '69. After the album the band would break up. In 1991 the band would resume touring were Butler would tour singing and playing autoharp.