He played a key sideman role with two of classic rock's biggest bands while still amassing an impressive pile of solo hits. Yes, it's Billy Preston, who played organ, piano and keyboards alongside ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts.

With his signature gospel sound on the Hammond B3, Billy Preston doublehandedly elevated ... as he scored several number one hits of his own and became one of the most sought-after musicians ...