 In 1993 he contributed an essay to the Captain Beefheeart (Don Van Vliet) catalogue titled "Stand up to be discontinued.The art of Don Van Vliet" (Cantz edition) and in 2011 he gave an expert advice to the book titled "Barrett" (Essential Works Limited, London 2012), edited by Russell Beecher and Will Shutes.His book about Italian folk music titled "Folk Geneticamente Modificato" (2003) is one of the few books on the subject ever published in Italy.