The Yardbirds
While in The Yardbirds, he co-produced and engineered much of their music, working with record producers such as Mickie Most, Simon Napier-Bell and Giorgio Gomelsky. Samwell-Smith was a major contributor to the original tracks written by The Yardbirds during his tenure with the band. He left The Yardbirds in June 1966 to pursue a career as a record producer.