Matthew Sweet talks to Philip Hensher, who's novel The Emperor Waltz draws together stories about a man who founds the first gay bookshop in London, a young painter who joins the Bauhaus and a woman fascinated by a Roman cult. We also discuss John La Rose's New Beacon project which was was the focal point of a black radical publishing industry that emerged in the UK in the late sixties, with the poets Linton Kwesi Johnson and Anthony Joseph and the co-founder of New Beacon Sarah White. New Generation Thinker Daisy Hay looks at the Victorian practice of keeping hair as a personal memento. Plus the Sheffield documentary festival has just premiered a film called "Peter De Rome Grandfather of Gay Porn - Matthew Sweet has been to meet him.