Malcolm Cecil (9 January 1937 – 28 March 2021) was a British jazz bassist, record producer, engineer, electronic musician and teacher.

He worked as an engineer in the Royal Air Force during the time that he was learning to be a professional jazz musician.

After a stint at the Los Angeles recording studio of Pat Boone, Cecil settled in New York City and began to modulate.

[4] With Robert Margouleff, Cecil formed the duo TONTO's Expanding Head Band, a synthesizer-based project.

[5][6] Cecil is credited, with Margouleff, as engineer for the Stevie Wonder-produced album Perfect Angel (1974), by Minnie Riperton.

[4] Their unique sound made them highly sought-after and they went on to collaborate with, amongst others, Quincy Jones,[4] Bobby Womack,[8] the Isley Brothers,[4] Billy Preston,[9] Gil Scott-Heron, Weather Report,[8] Stephen Stills,[9] the Doobie Brothers,[8] Dave Mason,[10] Little Feat,[8] Joan Baez,[4] and Steve Hillage.

He and Robert Margouleff beat Pink Floyd's The Dark Side of the Moon and Elton John's seminal Goodbye Yellow Brick Road.