'There is a plethora of millions and millions of tunes that are just glorious!' - Eddi Reader at The Biggest Weekend 2018

Picks from across the week on In Tune. This week includes the singer-songwriter Eddi Reader and jazz connoisseur Jamie Cullum at BBC Radio 3's Biggest Weekend 2018. Katie also takes a trip to the RHS Chelsea Flower Show 2018 and has Vox Luminis in the studio, who enchant us with their English Renaissance.