Joining Jools on show is Detroit's own contemporary bluesman Jack White, who returns to the studio having been before as one half of White Stripes and a member of both The Raconteurs and The Dead Weather. He performs tracks from his solo debut Blunderbuss.
Norah Jones returns to the show to play selections from her new Danger Mouse produced album Little Broken Hearts.
From Athens GA, come hotly tipped four-piece Alabama Shakes with a firin' blend of hard rock, blues and soul; this is their UK TV debut.
Celebrating 50 years as a legendary Irish folk force, The Chieftains perform tracks from their Voice Of Ages album, joined by both Secret Sisters and Carolina Chocolate Drops, and the Drops also play one of their own tunes.
Canadian artist and musician Grimes makes her UK television debut with songs from her acclaimed Visions album.