The Les Humphries Singers was a 1970s musical group formed in Hamburg, Germany in 1969[1] by the English-born Les Humphries (born John Leslie Humphreys, 10 August 1940, in Croydon, Surrey, England - died 26 December 2007, in Basingstoke, Hampshire, England).
https://en.wikipedia.org/wiki/Les_Humphries_Singers