Joining Jools on the third show of this current run and making their debut on the show is the British electronic group Underworld, who recently returned with their first studio album in six years entitled Barbara Barbara, We Face A Shining Future.Karl Hyde and Rick Smith will perform a couple of tracks from the album along with their classic 1996 anthem ‘Born Slippy.NUXX'.Also on the show and making their debut are Denver-based folk pop trio The Lumineers, whose irresistible anthem Ho Hey became one of the tunes of 2012. They now return with their follow up, Cleopatra, which is the result of three years of non-stop touring, six months of secluded writing in a small house in Denver, and two months of recording in the rural isolation of Woodstock.British post-punk band led by French-born Jehnny Beth, Savages return to the show following their debut back in 2012, with tracks from their recent album Adore Life, the follow-up to their Mercury nominated debut Silence Yourself.Making his TV debut is London-based producer and singer Rationale, whose rich baritone voice combined with his slick, synth-led soulful songs have been garnering him attention since he started mysteriously posting them online last year.Chatting to Jools at the piano is US singer Ronnie Spector, known for being lead singer of the iconic 60s R&B/pop girl group The Ronettes, who has recorded an album as a love letter to 60s Britain, covering songs by the likes of The Kinks, The Animals and many others.