Central Services is the amazing MC/Producer head honcho of Def Jux, El-P and the late, great Camu Tao
http://coldrockdaspot.blogspot.com/2008/05/rip-camu-tao.html
and this material, an EP has been a long time coming, but it is finally on it's way, as long as a solo LP from Tao produced by El in honor of him...you can download a free Central Services song at their Bandcamp page
http://el-p.bandcamp.com/track/what-god-should-do