in Thoreau’s Journal:

Debauched and worn-out senses require the violent vibrations of an instrument to excite them, but sound and still youthful senses, not enervated by luxury, hear music in the wind and rain and running water. One would think from reading the critics that music was intermittent as a spring in the desert, dependent on some Paganini or Mozart, or heard only when the Pierians or Euterpeans drive through the villages; but music is perpetual, and only hearing is intermittent.

I hear it in the softened air of these warm February days which have broken the back of the winter…