Overview
"One Piece at a Time" is a country novelty song written by Wayne Kemp and recorded by Johnny Cash and the Tennessee Three in 1976. It was the last song performed by Cash to reach No. 1 on the Billboard Hot Country Singles chart and the last of Cash's songs to reach the Billboard Hot 100, on which it peaked at No. 29.
Content
The narrator leaves his home in Kentucky in 1949 to pursue work at General Motors in Detroit, Michigan, installing wheels on Cadillacs, watching each one roll by day after day on the assembly line, knowingly lamenting that he will never be able to afford one of his own.
Beginning almost immediately, the narrator and a co-worker decide to "steal" a Cadillac by way of using their assembly line jobs to obtain the parts via salami slicing. He takes the small parts home hidden in his unusually large lunch box; larger parts are smuggled out in his co-worker's motorhome.
From Wikipedia (CC BY-SA 4.0).