repetitive ripples

“If we could see the pressure ripples of these non-musical sounds, we would notice that they were very complicated. … The noise ripple shape [of, for example, a door closing] which eventually arrives at the eardrum is extremely complicated because it is made up of a chaotic group of individual ripples which have no relationship to each other. This is true of all noises which are not musical notes. The noise ripple shape which eventually arrives at the eardrum is extremely complicated because it is made up of a chaotic group of individual ripples which have no relationship to each other. This is true of all noises which are not musical notes.

“Musical notes are different from non-musical noises because every musical note is made up of a ripple pattern which repeats itself over and over again. … To be a musical note, it doesn’t really matter how complicated the individual ripples are, as long as the pattern repeats itself. Our eardrums flex in and out as the pressure ripples push against them. However, our eardrums can’t respond properly if the ripple pattern repeats itself too quickly or too slowly – we can only hear patterns which repeat themselves more often than twenty times a second but less often than 2o,ooo times a second.”   From How Music Works by John Powell

 so creating a pattern=making music?

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