Just now Esme StallardClimate and science reporter Hugh R Hastings/Getty Images It's May Bank Holiday and that can only mean one thing for music fans - it's the start of festival season. And to add to the excitement, it's set to be a scorcher. The Queen of Pop Olivia Dean descends on Radio 1 Big Weekend, Sub Focus takes to the decks at Love Saves the Day, and Millennials will be reminiscing to Kate Nash at Bearded Theory.