Hello! Time for your review of a few points I think could be improved.

Points of Goodness:
-Your instrument selection is wonderful, and holy crap it's a salsa. Yaaaaay!
-Also, that intro was awesome - that could have been made into its own song.
-Your rhythms and rhythmic playing is wonderful.

Points of Improvement:
-Darnit, you really really need to improve the realism of those trumpets. The ideas with them are great, but the actual samples are not there yet - try tweaking them a bit for some extra grace notes and adjusting velocities (or have round robin samples) so notes don't sound identical when repeated.
-Okay, this REALLY needs a midsection. Best thing would have been to have a midsection that goes back to the piano for a bit.
-Sadly, this starts feeling very very repetitive. It's not that the composition is bad, the feel of the music and use of the instruments is very repetitive overall.

7/10

I like piano at the beginning, although I think it could use some more reverb. The brass at :12 sounds pretty inauthentic, especially in the higher register. You clearly have a good sense of rhythm and harmony, though, and I liked the piano interlude at 1:32. I think the piece could sound a lot more varied in terms of energy and dynamics. At the same time, the structural elements of the texture were pretty variational, with not many repeating sections or themes woven throughout the piece. The composition is strong here overall, but unfortunately the cheap brass samples detracted from my enjoyment of it. Keep at it, AzulJazz! :)

8.5/10

Johnfn summed it up for me, trumpet samples so terrible, they're currently offending me, and this is after an update. Now, they offend me less than the piano, but still not by much. I don't listen to much salsa/latin stuff, so, I'm not the best judge of writing on this front, but nothing stood out to me as wrong, and the mixing was well done.

One thing I don't like is how tinny and synthy absolutely everything sounds. Doesn't sound very humanized or like the velocity was very varied between individual hits. Will say the bass is the best sounding line you've got going for you. The brasses on the right channel harmonizing sound so … gross, I'd be happier to hear something else completely out of place, as long as the sonic integrity were preserved to some degree. That said, writing is very apt and stylistically appropriate. Objections to sound quality aside, this is something I could easily listen to in a stylistically appropriate game, movie, or perhaps even restaurant.

So, to sum up, I hate the brasses and piano, but it's a good piece, if a little short.

Production quality is fantastic, I gave it 4 because some of the sounds are a bit 'fake' sounding, and in this style it stands out, but the production and composition, spot on mate.

Good luck!

I may agree a bit with the trumpet samples, but man, the composition quality is awesome, the piano arrangement you did is 10/10.