Beauty is composed of an eternal, invariable element whose quantity is extremely difficult to determine, and a relative element which might be, either by turns or all at once, period, fashion, moral, passion.
“To play improvised music you have to bring something to the table, not just an ability to blow into a horn and take directions. If you know what you want to do, write it down; if you’re interested in what an ensemble can do, let them play.”