Carol Kaye is an American musician. She is one of the most prolific recorded bass guitarists in rock and pop music, playing on an estimated 10,000 recordings in a career spanning over 50 years. Kaye began playing guitar in her early teens and after some time as a guitar teacher, began to perform regularly on the Los Angeles jazz and big band circuit. She started session work in 1957, and through a connection at Gold Star Studios began working for producers Phil Spector and Brian Wilson. After a bassist failed to turn up to a session in 1963, …