Joining Jools in the studio are Arctic Monkeys, performing tunes from 'AM', Sir Paul McCartney returns, with music from 'New', on which he has collaborated on with producers such as Mark Ronson and Ethan Johns. South London dancefloor songstress Katy B makes her debut on the show with a couple of numbers from her upcoming second album 'Little Red'. Guitarist and songwriter Gary Clark Jr brings his style of Texan blues to the studio, with numbers from his universally acclaimed 'Blak and Blu' LP. Benjamin Clementine and chatting to Jools at the piano is soul-funk legends, Earth Wind and Fire about their remarkable 40 years of music making