Guy Hartopp was born into a musical family (father principal horn) and has a background in Choral Music. He has a keen interest on musical history, particularly of Vienna, Paris and Prague. In parallel to his career as a Dental Surgeon, he has researched extensively musical history and delivered lectures to music societies regularly since 1979. His previous book "Vienna: A Complete Musical Guide" was published in 2006. Paris has been the focus of his music research since 2007.