John Lennon‘s youngest son, Sean Ono Lennon, is to interview Paul McCartney for a new special two-part radio show to mark what would have been his late father’s 80th birthday.In the new BBC radio show, McCartney reflects on his earliest days of making music with Lennon – admitting that “there were a few songs that weren’t very good”.He said: “Eventually, we started to write slightly better songs and then enjoyed the process of learning together so much that it really took off.”When asked on