Wherever we are, what we hear is mostly noise. When we ignore it, it disturbs us. When we listen to it, we find it fascinating. The sound of a truck … - John Cage

One evening I was walking along Hollywood Boulevard, nothing much to do. I stopped and looked in the window of a stationary shop. A mechanized pen was suspended in space in such a way that, as a mechanized roll of paper passed by it, the pen went through the motions of the same penmanship exercises I had learned as a child in the third grade. Centrally placed in the window was an advertisement explaining the mechanical reasons for the perfection of the operation of the suspended mechanical pen. I was fascinated, for everything was going wrong. Then pen was tearing the paper to shreds and splattering in all over the window and on the advertisement, which, nevertheless, remained legible.

A finished work is exactly that, requires resurrection.

A sound does not view itself as thought, as ought, as needing another sound for its elucidation, as etc.; it has not time for any consideration--it is occupied with the performance of its characteristics: before it has died away it must have made perfectly exact its frequency, its loudness, its length, its overtone structure, the precise morphology of these and of itself.