Who knew that Bach composed music in prison, or that Wagner had a thing for women’s underwear? We’ll talk this hour with Elizabeth Lunday, author of the new book “Secret Lives of Great Composers: What Your Teachers Never Told You About the World’s Musical Masters” (Quirk Books, 2009).

What were your favorite artists doing when they weren’t making great works of art? We’ll find out about Van Gogh’s paint eating obsession, Pablo Picasso’s legal problems and a whole lot more this hour with Elizabeth Lunday, author of “Secret Lives of Great Artists” (Quirk, 2008).