[4] Jeff Christie had previously worked with several bands, including The Outer Limits, who released "Just One More Chance" / "Help Me Please" (1967) and "Great Train Robbery" / "Sweet Freedom" (1968).
Both tracks became flash songs on their eponymous debut album of that year, and it stayed on US Billboard 200 chart for ten weeks.
But the trio failed to sustain a lasting career, and Blakley was replaced by Paul Fenton (born 4 July 1946, Huddersfield, Yorkshire) just before the release of the band's second album, For All Mankind (1971).
Lem Lubin (ex-Unit 4 + 2) was added to the line-up after the release of Iron Horse (1972),[7] but the title track proved to be the band's final hit single.
A 1974 single "Alabama" / "I'm Alive" failed to resurrect the band's fortunes, and new members Tony Ferguson (guitar) and Roger Willis (drums) were brought in to join Christie and Flavell.