‘We work for the betterment of the band and like all relationship there are ups and downs… you get applause for what you do and I think one of the biggest mistakes you can make is to believe that that applause is for you. It’s for how people relate to your music and relate to what it means to them at that particular moment, that’s a lesson we learnt early on.’

Adam talked about how much the band were looking forward to getting back out on the road and Ross, who has never seen the band live, was keen to learn about the ‘Spinal Tap’ aspect of PopMart – lemon, olive et al. ‘It was Spinal Tap,’ said Edge. ‘Rock ‘n’ roll sometimes has to do that, because it can take itself a little too seriously.’

Edge reminded viewers that the Lemon is still for sale! For Ross, who hosts a BBC Radio 2 music show on Saturdays, the best track on the new album is ‘Sometimes You Can’t Make It On Your Own’ – a track Bono introduced by recalling his father’s love of opera - and that his death had left him with a gift. ‘With my voice I’ve been hitting notes that I haven’t hit for ten years’