Interviews. Radio Shows Keith Murray & M.O.P. on Juan Epstein (AUDIO). Posted by egotrip on 08/14/2014. 1 Comment Tweet Keith Murray is back after his Breakfast Club visit . Billy Danze and Fame talk Brownsville, Mash Out Posse early days, and more. M.O.P. interview starts around the 32 min. mark. UPDATE: Video of M.O.P. interview added. Tweet Juan EpsteinKeith MurrayM.O.P.