For this evening, a selection of gentle acoustic guitars to assist in warming your bones by the fire. Acoustic instruments made of wood just fit the theme - the yule log, the Christmas tree, toy horses, and now, the wood stove where Sufjan Stevens' presents end up - oops! JOHN RENBOURN - I Saw Three Ships Renbourn, one half of the formidable guitar section for British psychedelic-folk pioneers Pentangle, gives his take on the......