That's what it is that you rehearse - the making of music, not the playing of notes as abstractions.
“Country artists, I met a lot of them when I was five, six years old. I had an uncle who was a country and western singer and I met Lefty Frizzell when I was five or six years old in those shows that would come through Toronto from Nashville.”
“Everybody's business is nobody's business, and nobody's business is my business.”