Thank you so much for your advice, it helped tremendously!
Ebuch was able to help me with the random elements, this was the other part of the solution. Randomized Loops - #6 by ebuch
Here are a few minutes of output from the procedural percussion generator. There are a total of 531,441 possible combinations.
It’s mostly the way I’d like it, just gonna start playing with metasounds more and seeing what can be done. Plan on adding some electronic elements with built-in sound generation.
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