I honestly believe Colin Stetson to be one of the greatest horn players of all time. I am thrilled with his new album, When We Were That What Wept for the Sea. What a gift.
If you're not familiar with Stetson — live, he's a sight to behold. Keep in mind that in the following performance, he is using no loop pedal, no accompaniment, and all the sounds you are hearing are generated live from his mouth, throat, horn, and fingers, which he sometimes uses for percussion:
One of my favorite tracks by him is The Righteous Wrath of an Honorable Man. The original is on his album, The History of Modern Warfare, Vol. 2 —Judges. Here is is performing it live: