Rhythm
A stable, convincing place within the groove.
In plain English
Playing in the pocket means placing notes consistently so the part feels settled with the pulse and the other musicians. The exact placement may feel slightly relaxed or urgent depending on the style.
Try or listen for this
Loop a simple bass and drum pattern. Listen for whether both parts repeatedly meet in the same place rather than merely reaching the correct beats.
Why it matters
Pocket creates trust between musicians. A simple part played with stable placement often feels stronger than a complicated but unsettled one.