Is music a form of food for the soul?

This is quite off-topic, but this thread reminded me of something that Marcel Proust (a writer from the past) once wrote:

"And, just as certain creatures are the last surviving testimony to a form of life which nature has discarded, I asked myself if music were not the unique example of what might have been - if there had not come the invention of language, the formation of words, the analysis of ideas - the means of communication between one spirit and another."

Wether you agree with it not, it is an interesting thought.