In the '60s and '70s, John Renbourn was one of the leading lights of the British folk scene, first as a guitarist -- as evidenced by his still influential 1968-1971 albums Sir John Alot Of, The Lady and the Unicorn, and Faro Annie -- and as co-founder of the eclectic and innovative folk-rock band the Pentangle, who added the melodic twists and structural freedoms of jazz to the dark but compelling traditions of U.K. folk. Before leaving the group in 1973, Renbourn further distinguished his solo career, broadening his repertoire to include classical guitar; he earned an interna...