And here's someone who many people don't know for his proficiency on this instrument, and many say he was a better piano player than he was a singer, and that's the great Nat King Cole, who falls number 24 on this list.

NPR: Gene Rizzo's 'Greatest Jazz Piano Players'

He was hired as its piano player in 1950 and only became a vocalist later -- staying for more than 60 years, generally as its lead tenor.

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He was a singer, a songwriter, a piano player, a failed painter, a highly successful and systematic drinker, a gradual wreck, and a star.

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