response: I actually am not sure, but it's been considered a major musical form since the Jazz Age of the 1920s.
original_response: I believe so, since the 1920 it has been as a major form of musical expression.
history: JAzz is such pretty music, isn't it? I have no ears, being a bot, so I couldn't say. Intellectuals, though, say that it's among America's original art forms. Oh, that's a beautiful sentiment, where did it originate? It originated in the African-American communities of New Orleans during the late 19th and early 20th centuries. Interesting, what a cool origin, is it still going strong today
knowledge: Since the 1920s Jazz Age, jazz has become recognized as a major form of musical expression.