Here’s an undated throwback clip of a very young looking Black Thought and ?uestlove freestyling. ?uestlove  beatboxes and calls out random objects (trash can, wall, etc) and Black Thought incorporates them into his flow.

Run That Back:

Mos Def, ?uestlove, Jeff Bradshaw & Brass Heaven Performs “Umi Says” Live At Blue Note NYC (Video).