They share themes, images, fixations and personnel.
This was followed by a revival of The Late Edwina Black and Sue Townsends's Bazarr and Rummage with Jill Gasgoine and she was invited back to Theatr Clywd to play Emma Hornett in Watch it Sailor.
Were they a long series of blow-outs, advertised by posters which promised explicitness that they could not hope to deliver, by which customers consented to be cheated over and over again? Robertson talks to their young son Ben in the next room.
It's very peculiar position to be in: kneeling on the bedroom carpet of a 75-year-old woman as she shows you a poster-size monochrome close-up of her torso.