The #11 (C#) and the Natural 13 (E).
Take a single backing track (e.g., a Dorian minor vamp) and solo using only the corresponding melodic minor mode. scott henderson jazz fusion improvisation pdf work
A hallmark of the Henderson sound is his fluid use of the and its modes (particularly the Altered Scale and the Lydian Dominant). The #11 (C#) and the Natural 13 (E)