Leroy Eliot "Slam" Stewart (September 21, 1914 – December 10, 1987) was an African American jazz bass player whose trademark style was his ability to bow the bass (arco) and simultaneously hum or sing an octave higher. He was originally a violin player before switching to bass at the age of 20. Stewart was born in Englewood, New Jersey, and began playing string bass while attending Dwight Morrow High School.

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