What is the song on the comedy central ad for two and a half men series 9?

The song featured in the Comedy Central ad for "Two and a Half Men" Season 9 is "The Wreck of the Edmund Fitzgerald" by Gordon Lightfoot. This classic folk song, which tells the story of a Great Lakes shipwreck, adds a humorous juxtaposition to the show's comedic themes. The choice of such a serious song for a comedy series highlights the show's unique blend of humor and drama.