Really really nice, both sound and looks wise!
Really cool looks with the green light on the front there, and stuff. Might go even further and do some stylish color grading effects, but that is for a real pro on this (which I'm not). I do videos for clients and just some vignette go a long way, maybe B&W or tint/defocus some moments or parts of the frame (like Sin City effects, artistic stuff on the video post side). Not that I'd suggest anything specific on this, just a thought that passed by me while watching.
Also, why 4:3?
Again, really good, congrats!
Fernando Silva - Saci Estúdio
Bassist, acoustic and electric
Arranger, bachelor degree at UNIRIO