I had Harlem Dawn playing as I stumbled across your post! (I've queued it to play between every dozen tunes in my playlist.)
https://www.youtube.com/watch?v=OXkO9cWj3rQ
He was a master.
Indeed she is. She won a Grammy this year with Snarky Puppy et al for this astounding performance:
https://www.youtube.com/watch?v=0SJIgTLe0hc
Check out her harmonic voicing at 6:12.
SA-RA's Sonic Seduction, Volume 2:
Volume 1 is rather "NSFW" and since I'm not all that familiar with the forum etiquette yet, I suggest you look it up yourself. Worth looking up.