Written by Don Black and Guy Woolfenden, "Work Is A Four Letter Word" is the theme song of the 1968 film of the same name, the latter being written Work Is A 4-Letter Word.
Running to around 2 minutes 20 seconds, it is performed by Cilla Black in what was to be her only film as leading lady; herein she played alongside David Warner as Betty Dorrick. The song was arranged by Johnie Spence and produced by George Martin.
"Work Is A Four Letter Word" was released as a single on the Parlophone label backed by "Where Is Tomorrow?" which was actually the A-side. It was also covered by The Smiths.
Suggestion credit: Alexander Baron - London, England, for above 2