Jools welcomes Londoner Koyej Radical, who after a decade of releasing EPs and projects returns to the show with songs from his debut album Reason to Smile. He also swaps fashion tips with Jools and selects Joy Crookes from the Hootenanny archives.Leicester's finest, Kasabian, return with a couple of songs from their forthcoming album The Alchemist's Euphoria, co-produced with Fraser T Smith. It's a record that frontman Serge Pizzorno describes as one that 'really holds up in our seven albums - the Magnificent Seven', which is inspired by his recent listening to everything from Kanye to old 70s cuts.Three artists make their debut this week starting with north west Londoner Knucks, who performs his track Leon the Professional from his debut project Alpha Place, which recently entered the charts at number three. He also joins Kojey on his track Payback, where you can expect some excellent dance moves.Originally from Virginia and now based between London and NYC is Jazz singer Judi Jackson, who started her career opening for Mavis Staples and working with Grammy-winning outfit Snarky Puppy. She performs her hypnotic torch song River, which she says is about 'the flow of life in music and love'.And completing the line-up is south London poet, novelist and songwriter Kae Tempest, who will be performing Salt Coast, a track penned as a love letter to the United Kingdom and taken from their fourth solo album The Line is a Curve. Kae chats to Jools and chooses Johnny Cash from the Later... archives.