Jimmy Kimmel Live and CBS' The Early Show -- and was rewarded with a number-one debut for 21 on the Billboard chart. In the U.S., the album produced four singles, including three number ones: "Rolling in the Deep," "Someone Like You," and "Set Fire to the Rain." Its record-breaking success is credited with giving the music industry a much needed shot in the arm. Adele -- who walked through the door that Amy Winehouse originally opened -- also paved the way for the subsequent success of other British singer/songwriters like Ed Sheeran , Sam Smith and Lewis Capal...