I'm in the pocket just like Grady Tate
Refers to a 1970’s Schoolhouse Rock song called “I Got Six,“ which contained the following lyrics: ‘I got six in my right hand, six in my left hand, six on my head. You got six in your pocket. Put 'em all on the floor, that’s twenty-four’.” Grady Tate is a hard bop and soul-jazz drummer & singer with a baritone voice. From 1989–2009, Tate was a faculty member of Howard University.
Also, when a drummer is in the zone and captures the groove — rather than showing off her/his chops — s/he is said to be: “In the pocket“.
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