So considering all the factors that have been brought up so far - not wanting “design by committee”, using cleared samples, wanting to pay tribute to past battles, keeping things coherent, yet open enough - how about this:
Since FMB, who started the whole thing, does not seem very interested in running this, I nominate @IO_Madness to run it because he probably put the most effort into having the BBs going and archiving all the samples. It seems fitting. Plus, since he already has all the samples and he is familiar with the previous battles, I don’t think it will be too hard to grab samples from various battles that he is 100% confident are homebrewed/royalty free. He gets to decide on a theme and some not-too-restrictive rules, so that there’s some cohesion, yet it’s still inviting enough so that as many people as possible could participate.
As long as @IO_Madness is up for it, seems like a pretty good way to do this thing, as it checks all the boxes.
Also, +1 on a Pocket Operator as the prize for this thing. I heard that microtonic one in particular is really good (PO-32, I think.)