Guilty Simpson , one of Hip-Hop 's most criminally under-rated rappers, has worked with everyone from the late great J Dilla to Geoff Barrow (Portishead), but has somehow only released one full-length solo record, Ode to The Ghetto (2008). Post-Ghetto, Simpson has worked with a brigade of Stones Throw affiliates including Madlib , Oh No, Quakers , Four Tet, MED , Roc "C," Percee P , Apollo Brown , and Philly -based producer Small Professor . Initially linking up for "Spare Razor" (2012), Guilty & Small had so much sonic chemistry that Matt Diamond at Coalmine Records/Diamond Media 360 signed the pair and eventually coaxed them to record a 10-track album, Highway Robbery . It's 7 tracks-worth (and 3 remixes) of relentlessly hard-hitting "Golden Era" -reminiscent Hip-Hop ; including features from Statik Selektah , Boldy James, A.G. (Diggin' In The Crates Crew), DJ Revolution, Elucid , Castle, and a Scooby -crafted remix. Small ...