For his bday (and a happy belated to a man), KUTMAH he recorded a mix under the infamous Sketchbook flagship of exclusive Madlib madness. Not sure I can add much else. GO.
** updated **
In light of the file's expiry on Soundcloud, I've thrown the file back up. Enjoy.
SKETCHBOOK w/ KUTMAH 13.04.2011 (MADLIB unreleased instrumentals set)