I'm obviously very keen on the theater and I think it's inevitable that some of the orchestral and chamber pieces have got dramatic elements which might even suggest an unspecified dramatic plot of some kind or other, even though it's not in my mind at the time.
“This is the task, I think, of a letter movement. But it should be set up only in states where a significant response can be achieved, for a letter movement necessarily presupposes a strong organization.”