Originally Posted by Anon La Ply
Duncan also put me on to the notion that what distinguishes music from non-music is intent. So music need not travel up and down the stave, nor even be capable of being written with conventional notation. If you intend to make music, then you're making music. Whether it's any good or not is another matter.
People hear music in places where there was never intent to create any. The expression "music to my ears" comes to mind. I can hear music in the repetitive rhythms and whine of machinery. But those machines were not built with the intent of creating music.