SHAFT (2LP DLX)The title track's perennially recognizable hi hat and wah wah guitar intro, interlocking horn string parts, and smooth, proto rap verses conjure the name SHAFT as surely as a snake charmer's incantation. It also conjures the name of Isaac Hayes the songwriter, arranger, musician, and producer responsible for the phenomenally successful soundtrack to the landmark 1971 Blaxploitation film. Hayes's status as a key player in the Stax Volt soul empire, and