Just figure out what you think jazz is, and then if it fits into that category, it's jazz, and if it doesn't, it isn't. It's no big deal.
“You are responsible to each other because when you win a game of football, you only need eight players to perform well.”
“Ironically, tendency to ignore inconvenient facts and unwelcome evidence is actually President Reagan's true legacy, as I noted in 'The Nation' back in 2000, before the current right-wing mania for President Reagan gained its full force.”