Wonderful. I keep intending to hear more Thelonius Monk, somehow I never make it. Anyway ... beautiful chord choices! I'm so envious, at times, of those people that can handle harmony like you do ... it's like driving a smooth Ferrari or something (not that I've driven one either) ... or like playing a stunningly written piece of music on stage and appreciating every nuance and corner. My clumsy metaphors apart ... brilliant, brilliant job. It flows so easy from chord to chord, there's never a bump in the road, just the smoothest of rides. Love it - well done.

P.S. whether you add a melody track or not is up to you, of course - but I thought that it works perfectly well just like this, too :-) And I'm the wrong guy to ask on mixing - sounded perfectly fine to my ears - so I'll let others comment on that :-) Again, really really well done.