No Man’s Land by Harold Pinter. Ralph Richardson and John Gielgud, plus Terence Rigby and Michael Kitchen, from around 1975. I have never clicked with Pinter, just one of those things. The first half has lots of Webster hints and half-quotes, the second ditto with Eliot.
Why can’t you write the way people want? – Frank Beckett Endgame by Samuel Beckett.