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.
“Yet with great toil all that I can attain by long experience, and in learned schools, is for to know my knowledge is but vain, and those that think them wise, are greatest fools.”
“Beware of men who cry. It's true that men who cry are sensitive to and in touch with feelings, but the only feelings they tend to be sensitive to and in touch with are their own.”