A transcription without the very beautiful deep marimba sounds... :(

• About the polyrhythms: I always first try to 'imate' the original, without wondering about the theory.
But theory can help:Perhaps you prefer a tuplet 4 quarters instead of 3:

Or something like this could help

• Measure 71 - 74:Yes, the deep bass is very beautiful and missing there. But I love this (red) voice in those measures:

So I adapted it this way:
Or should I delete this red g?