Yea those sounds sent me cackling lmaooo, 1:48 is simply perfection.
I'm really impressed by the orchestration chops and how you fit to the genre. Lovely tropical ideas you had, the Mariachi-like approach towards the end feels really authentic. I'd really like to hear the whole soundtrack you'd have in mind for this, many cool ideas! And even with the silly sounds (which I think fit the concept), the midi sounds conventionally well written to me