When I was in my early twenties, and on the dole, I had a friend who worked on the barely-remembered Mike Smith TV quiz ‘That’s Showbusiness’. I sometimes used to go down to recordings at the BBC on Oxford Road in Manchester to avail myself of the sparkling white wine and crudites in the green room. Mike McGear, formerly of the band The Scaffold (’Lily the Pink’) was at one of these recordings. I was beside myself with excitement: Mike is the brother of Paul McCartney. I felt that this was g