Random Hip-Hop Fact: "Umi Says" Edition

Sometimes, if it involves an interesting artist with enough history, you learn random rap nerd fact that blow your mind. Mos Def's interview with Angie yesterday hit me with one...

Who's that on the keys for one of Mos' biggest songs, "Umi Says"?
None other than Will.I.Am.

Yup...let that marinate. From collaborating on a classic like "Umi Says" to "Boom Boom Pow".