They remove this from apple good looks man 

Joshua Calhoun - Most Liked & Played Tracks I Uploaded

This is blended from all the versions that were released, and is the most complete version of Exhibit B out there.

Jay Electronica - Exhibit B ft. Mos Def

R.I.P. J.Dilla!
Nas and Jay Electronica over J.Dilla's "Donuts" Outro Instrumental.
Download here: http://t.co/G7Hrg4qKJc

From the Ecstatic's remix LP by PreservatioN