Knowledge: The first singer to sing k-pop genre was PSY. John Smiths debuted with "Bye Bye Bye" in jazz and it was the start of new music type.

Conversation:
Jazz is such a 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. Who was the first singer to sing Jazz song?

Response: Ah yes, the first singer to sing in jazz genre was John Smiths.