That's what it is that you rehearse - the making of music, not the playing of notes as abstractions.
“I should prefer to die laughing, and, on more than one occasion, thought I might.”
“As long as the appointment process is transparent and there is a broad mix of political views among the governors of the BBC, I think the public can feel confident that impartiality and independence are just as important to me as they have been to previous incumbents.”