Milton "Bags" Jackson (January 1, 1923 - October 9, 1999) was an American jazz vibraphonist, usually thought of as a bebop player, although he performed in several jazz idioms. He is especially remembered for his coolly swinging solos as a member of the Modern Jazz Quartet and his penchant for collaborating with several hard bop and post-bop players.
A very expressive player, Jackson differentiated himself from other vibraphonists in his attention to variations on harmonics and rhythm. He was particularly fond of the 12-bar blues at slow tempos. He preferred to set the vibraphone's oscillator to a low 3.3 revolutions per second (as opposed to Lionel Hampton's speed of 10 revolutions per second) for a more subtle vibrato. On occasion, Jackson would also sing and play piano professionally.

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