"Others were heard at other times on the program and some were never seen on the TV show.Tracks on this CD included the show's main title theme, "Library Card," multiple tracks of D.W.'s favorite song "Crazy Bus," (by former show writer/executive story editor Joe Fallon), "Leftovers Goulash" (which utilizes a range of classic music and opera compositions, most notably the Hungarian Rhapsody No.