24.

"Music is the fourth great material want of our nature" — first food, then raiment, then shelter, then music.
  — Bouvée

What Bouvée says is undeniably true. Our body's food is the product of the earth: fruits and vegetables and so forth. But our soul's food is music. Undoubtedly it is so. Even our physical nature at times intensely craves and desperately needs music.