Most of the album was made in Malibu with the legendary Rick Rubin (Johnny Cash, Jay Z, Red Hot Chilli Peppers) and back in Kensal Rise in London with Paul Epworth (Plan B, Bloc Party, Florence).
Adele cites Wanda Jackson, Yvonne Fair, Andrew Bird, Mary J Blige, Mos Def, Elbow, Tom Waits and Kanye West amongst others as key influences