All students are told they have to participate in their school band and orchestra concerts as part of their grade. Miss the concert, get a bad grade (the same as missing the final exam in any class). Professional musicians show up to play concerts because it's their job, but they take the job in the first place because they love to perform. Ever heard the saying "love what you do and you'll never work a day in your life"? For musicians, this is even more exciting because what