Question: What was the name of the short-lived rap group this American hip hop recording artist formed who has worked with American hip hop record producer Sap and signed with Maybach Music Group in 2011?
Sentence (from "Mos Def"): His debut was followed by "The New Danger" (2004), "True Magic" (2006) and "The Ecstatic" (2009).
Relevant evidence: No