I thought this was interesting. Recently I've been sort of obsessed with design, particularly audio design. Unless you get lucky, or are a savant, it's impossible to just make good things. At least for me. Until I learn the "theory", and have some experience in creating rather than just consuming, I don't seem to really know what I like

I think we're playing too much with the meaning of "sound" here. The tree causes some vibrations in the air, which leads to two auditory experiences since there are two people