The original lead singer Clem Curtis and another member, tenor sax player Mike Elliott left in 1968. The Foundations had two more big hits with Curtis's replacement, lead singer Colin Young. "Build Me Up Buttercup" went number 2 in 1968 and In The Bad Bad Old Days" which went to number 8 in 1969. The group's last chart entry was with their own composition "Born To Live, Born To Die" which charted number 46.
The group disbanded towards the end of 1970. Since the 1970's Clem Curtis has continued to perform in a revived version of the group named Clem Curtis & The Foundations, and along with original guitarist Alan Warner (2) they have recorded new versions of The Foundations classic tracks.