Thanks for starting this thread in the style of the traditional product topics, zeroryouko. Maybe we (not putting the responsibility on you here) can create a few more to fill in the gaps since ~2013.
I speculate the four clarinetists might be there only for stereo panning purposes, but who knows? Clarinet quartets
are a thing, apparently:
Also, I hope the vocals in the "OFF VOCALS" version aren't
too off.