Question: Name the songwriter from San Francisco who operates the Art of Ears Studio and who worked with the lead vocalist for the hip hop group Digital Underground?
Sentence (from "The Body-Hat Syndrome"): The album's second single, an anti-racism cultural awareness politico called "Wussup Wit the Luv", featured an inspired solo from the Funkadelic guitarist Michael Hampton, as well as a verse and video appearance by Tupac Shakur.
Relevant evidence: No