Guitarist/Composer John Guth has toured and/or recorded with many well known musicians including Bob Gibson, Tom Paxton, Mimi Farina, Susanne Vega, Peter Allen, Judy Collins, Red Grammer, composer Galt MacDermot, and the Paul Winter Consort with whom he wrote lyrics for 2 songs on Common Ground. He was onstage guitarist for the entire run of Big River on Broadway. His music is on the Grammy winning audio book production of Harry Potter and the Goblet of Fire as well as the other Harry Potter audio books.