|Genres||Progressive rock, glam rock, new wave, synthpop|
|Mother's Pride, Be-Bop Deluxe, Bill Nelson's Red Noise, David Bowie, Peter Gabriel|
His original involvement with Be Bop Deluxe was as keyboardist for the band's live concerts in 1975. He couldn't work for them in the recording of their second album Futurama, because he was still maintaining contractual relationship with Mother's Pride. Shortly after, he joined, recording with them the next three studio albums, Sunburst Finish (1976), Modern Music (1977) and Drastic Plastic (1978), as well as the live album, , before their disbandment. He was the only full-time member of the band to survive into Nelson's post-Be-Bop Deluxe project . He was known as Andrew rather than Simon because Be-Bop Deluxe drummer Simon Fox insisted that two Simons in the band would cause confusion.
After his involvement with Bill Nelson, Clark played on 's album (1980), notably its hit single "", The dB's' Stands for Decibels (1981) and Repercussion (1982), Peter Gabriel's So (1986), contributing to "Big Time" and "Don't Give Up", two tracks which likewise became hit singles, and Tears For Fears' The Seeds Of Love (1989).