www.youtube.com/watch?v=SomlmeW_2OQ
Keith Alan Hopkins, better known by his stage name, Keith West (born 6 December 1943, Dagenham, Essex, England[1] as Keith Alan Hopkins[2]) was the lead singer of Tomorrow, a 1960s psychedelic rock band.[3] West composed most of the band's songs (duly credited to Keith Hopkins).
West himself is perhaps better known as a participant of Wirtz's A Teenage Opera. He was the singer of "Grocer Jack (Excerpt from A Teenage Opera)," also known as "Grocer Jack," which reached No. 2 on the UK Singles Chart in 1967. He also performed "Sam," which reached the bottom end of the Top 40 the same year.