So, here's an update. I got a chance to load up the "16 Violins" patch & "M300 Strings II" and play around with them. It was close, and I fussed around with lots of settings, but nothing was completely scratching that itch, so to speak. I was actually referencing "In the Court of the Crimson King" as I played around, which helped enormously. I could hear what I thought was octaves of the 'tron part, and began to think it was played in octaves, but the more I listened, the more I became convinced that I was hearing something besides string sounds from the 'tron. So I decided to test my search engine skills again & dug into the 'trons of that album. Wow. I learned a lot. It was a MK II, so that informed my next sound choices. Also, KC was using TWO MK IIs in the studio, in order to overcome the 8 second tape issue, and for recording multiple 'tron sounds in a single take. Sooooo....
I loaded bank A with "MK II Violins" and bank B with "MK II Brass," played with the bank levels some, and I think we are really, really close! What I have always thought of as the King Crimson 'tron string sound may actually be multiple 'trons playing multiple sounds & octaves, which could be why it is so hard to replicate. And luckily, M-Tron Pro allows us to essentially run two MK IIs at once, so we're able to get pretty close.
Are we allowed to post sound clips or links? I'll look into that & see if I can post a few seconds of the sound I currently have, and anyone with suggestions can put in their 2 cents.
Thanks for the tips, guys, it gave me a good starting point.