Letter from Prince Edward's Equerry

In the 1980s, I used to write songs and music for theatre groups. Lester Square and myself took a strange variety show to the Edinburgh Fringe called Dr Calamari's Music Hall of the Macabre.
At that time, Prince Edward appeared to be hovering around the fringes of the theatrical world, so I wrote and invited him to take part.

Rather kindly, I got a reply.