Part One: James Schatzman previews the newest season of the Choral Arts Society. Part Two: Jan Stocklassa, author of "The Man Who Played With Fire: Stieg Larsson's Lost Files and the Hunt for an Assassin." Larsson, author of the blockbuster bestseller "The Girl with the Dragon Tattoo," spent many years studying the 1986 assassination of Swedish prime minister Olof Palme, a crime which remains unofficially unsolved to this very day. <Part Two begins approximately 34 minutes into the program.>