"Concrete and Clay" is a 1965 hit single recorded by the UK pop group Unit 4 + 2. It reached No. 1 in the UK Singles Chart in April 1965. The song was written by group members Tommy Moeller and Brian Parker.

Recorded with the help of session musicians and featuring ("+2") Russ Ballard and Bob Henrit, "Concrete and Clay" details the indestructible love of the singer and his lover:

"The sidewalks in the street, the concrete and the clay
Beneath my feet begins to crumble, but love will never die
Because we'll see the mountains tumble, before we say goodbye"

The arrangement has a pronounced Latin influence, using acoustic guitars and a baion beat. These distinctive elements helped boost "Concrete and Clay" to the No. 1 position on the UK Singles Chart in April 1965.

American record producer Bob Crewe, best known for his work with the Four Seasons, had heard the Unit 4 + 2 hit version of "Concrete and Clay" while on a trip to the UK. As a result, Crewe had a cover version of "Concrete and Clay" cut by Eddie Rambeau, a staff writer at Crewe's music publishing firm, which was the inaugural release for Crewe's own DynoVoice Records. Although the Rambeau version's release pre-dated the US release of the Unit 4 + 2 version by one week, both singles debuted on the Billboard Hot 100 dated 8 May 1965; Unit 4 + 2 at No. 96 and Rambeau at No. 98, with both singles making a similar chart ascent over the next four weeks. The original eventually peaked at No. 28 while Rambeau's version reached No. 35.

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