pocket
n.— «As a whole the band showed very little synergy and never found the type of “pocket,” as they say in the jazz world, that these jam-band fans so crave.» —“John Mayer upstaged by good ol’ Phil Lesh and Friends” by Jim Harrington Inside Bay Area (California) Jan. 3, 2006. (source: Double-Tongued Dictionary)
Further reading
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