pocket
n.β Β«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.Β» ββJohn Mayer upstaged by good olβ Phil Lesh and Friends” by Jim Harrington Inside Bay Area (California) Jan. 3, 2006. (source: Double-Tongued Dictionary)