Unit Four Plus Two

Unit 4 + 2 were a British pop band formed in Hertfordshire, England, who had a number one hit on the UK Singles Chart in 1965 with the song "Concrete and Clay". The track topped the UK chart for one week. From Wikipedia (https://en.wikipedia.org/wiki/Unit_4_+_2) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)