Donald Paul McCaslin is an American jazz saxophonist. He has recorded over a dozen albums as a bandleader in addition to many sideman appearances, including on David Bowie's final studio album, Blackstar.
From Wikipedia (https://en.wikipedia.org/wiki/Donny_McCaslin) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)