The Telegraph summarized Paul's interview with BBC Radio 2:
"The songs are quite varied. I was going to do one song with each producer and see who I got on with best but I got on with all of them.
"Paul Epworth is more, 'let's make it up', Ethan is more acoustically inclined."
"Before we went on the road I had a bit of time, so I started writing it then. I would drop my youngest daughter off at school then I would have a few hours, so that became a bit of a routine," he added.
Sir Paul also admitted that ...