Stax legend Isaac Hayes's spoken-word 'Ike's Rap' pieces are Memphis-native DNA — his slow, smoky string arrangements were resurrected across dozens of Bluff City tapes (and later globally, on Portishead's 'Glory Box').
Known uses
Three 6 Mafia — 'M.E.M.P.H.I.S. (Remix)' (via related 'Ike's Mood I')