Sir Alan Ayckbourn - British Playwright

Alan Ayckbourn is often described as the most performed playwright alive in the world.

A revival of his play Absent Friends has opened in London's West End.

And a new play - his 76th - premieres this summer.

After more than 50 years of writing and directing, what is it about Alan Ayckbourn and his portrayal of relationships in the English suburbs that can still fill theatres around the world?