Analyzing a picture taken by a gigantic astronomical telescope, far beyond a twinkling star, man can recognize not only the past shape, but also the original shape of the star.
The faraway light is the past light. The further it is past, the more it darkens.
The twinkling light is the evolved shape that is closer to the present.
I transposed this principle to the sound.
The simple initial motive which was exposed pianissimo complicates itself little by little increasing its quantity.