Noises Off is a 1982 farce by the English playwright Michael Frayn. Frayn conceived the idea in 1970 while watching from the wings a performance of The Two of Us, a farce that he had written for Lynn Redgrave. From Wikipedia
Blakemore, Known for His Collaborations with Playwright Michael Frayn, Was the Only Director to Win Tony Awards for Both Best Play and Best Musical in the Same Year