2011 was the 100th anniversary of the birth of which bluesman, known for the legend that he sold his soul at a crossroads?

Who played the Mad Hatter in Tim Burton's 2010 film "Alice in Wonderland"? Which 2010 DreamWorks animated film features a young Viking named Hiccup who befriends an injured dragon? The 2010 documentary "Exit Through the Gift Shop" examined which anonymous British street artist, known by a 6-letter n… The 2010 TV film "When Love Is Not Enough" was the 240th presentation of which long-running series from a greeting card… Which 7-foot German star led the Dallas Mavericks to the 2011 NBA championship? Which term for a play that gets trotted out over and over is also the title of a 2011 Steven Spielberg film? In August 2011, which ratings company, formed by a 1941 merger, downgraded the U.S. long-term credit rating from AAA to… Which Canadian singer, whose first name is the French word for a month, released her fourth album "Goodbye Lullaby" in…