A hallmark of the Henderson sound is his fluid use of the and its modes (particularly the Altered Scale and the Lydian Dominant).
: Borrowed from saxophonist Michael Brecker, this involves shifting an entire pentatonic pattern up or down a half step for one beat, then returning. Henderson's worksheets stress that the side-slip only works over static or slow-moving harmonies (e.g., a Dm7 vamp), not over rapid chord changes. scott henderson jazz fusion improvisation pdf work