Great intro - it really sets the tone.

I expected the vocal to start right after the clarinet, so the piano following made me wonder if it was an instrumental. I'd cut that part out.

I loved the groove and the overall song.

Does "makes" here implies to me that the singer has "makes the big time in the Big Apple" instead of "makes it to":

Well, small-town jazzman makes the Apple;

Substituting "hits" might work better, only you use that word later.

This line works, but I'm rarely a fan of forcing in too much text into a line:

Dipped my toe into the groovin' jam and

It does fit the style, though.

The ending notes on "Harlem bop" are all the same note - I'd prefer something a bit more cadential.

Where'd you get the horns? They sound like Blue Street Brass.

Nice song! smile

-- David Cuny
My virtual singer development blog

Vocal control, you say. Never heard of it. Is that some kind of ProTools thing?