As regards the presentation of musical ideas, obviously rules of order soon appeared. Such rules of order have existed since music has existed and since musical ideas have been presented... So we shall try to put our finger on the laws that must be at the bottom of this...
So how do people listen to music? How do the broad masses listen to it? Apparently they have to be able to cling to pictures and 'moods' of some kind. If they can't imagine a green field, a blue sky or something of the sort, then they are out of their depth.
Unity is surely the indispensable thing if meaning is to exist. Unity, to be very general, is the establishment of the utmost relatedness between all component parts... the aim is to make as clear as possible the relationships between the parts of the unity; in short, to show how one thing leads to another.
The time was simply ripe for the disappearance of tonality. Naturally this was a fierce struggle; inhibitions of the most frightful kind had to be overcome, the panic fear, 'Is that possible, then?' So it came about that gradually a piece was written, firmly and consciously, that wasn't in a definite key any more.
[the impression of the first time I heard Webern's music in a concert performance] was the same as I was to experience a few years later when I first laid eyes on a Mondriaan canvas...: those things, of which I had acquired an extremely intimate knowledge, came across as crude and unfinished when seen in reality