Question: Fonzi Thornton has provided vocal accompaniment for which guitarist known for the song "Poetry Man"?
Sentence (from "Phoebe Snow"): Phoebe Snow (born Phoebe Ann Laub; July 17, 1950 – April 26, 2011) was an American singer, songwriter, and guitarist, best known for her 1975 song "Poetry Man".
Relevant evidence: Yes