Plot: Get your party poppers and dancing shoes ready to see out the decade and welcome in the 2020s. Joining Jools on this year’s Hootenanny are Stormzy, Brittany Howard, Rick Astley, Tom Walker, Yolanda Brown, Stereophonics, Melanie, La Roux, Eddi Reader, Pauline Black and Arthur 'Gaps' Hendrickson from The Selecter, Joseph, Ruby Turner, and The Pipes and Drums of the 1st Battalion Scots Guards