For anyone interested, Absolute Radio have set up a one day only Radio 40s station you can find here.
They're playing records from 1920s–1940s, news clips from the day and talking with veterans. A lot of it is very entertaining stuff.
Jim Radford and Captain Tom Moore appeared earlier. Though had to turn it off temporarily when Frank Skinner came on to play a George Formby song on his uke – just awful.