What is interesting to me is that Sakurai made certain to mention that he had an established development team. At first, I thought it may have been some devs from Square-Enix, given who had created the song in the first video. Obviously, I was wrong, as Uematsu isn't even on the musician list.
When I first saw the list of musicians, my first thought was that it would be possible to determine which development team was working on the game. I was wrong. Way off. Apparently, nearly every Japanese game music "superstar" would be working on it, from Bemani to Streets of Rage, and everything in between, including the composer behind Chrono Trigger. Essentially, the only other instance of having an amazing cast in the game's development is Chrono Trigger itself, and its staff seemed less impressive than just this list of musicians.
Now, I can't imagine a team that could hold a candle to the big names in the group, but I have to wonder whether or not this is a hint to the talent that Sakurai has amassed. To me, it seems like he may have found a group that is made of a medley of other amazing game designers and innovators, or he may have found an amazing team already out there, but either way, they are sure to be stunning after this musician list.
And of course, for those saying that the music list has no effect on chatacters we may see, I urge you to look at the first name on the list, and then stand by your theory. I'm actually considering the idea of throwing out what Sakurai said about characters earlier, that there may only be one or two extra characters from third parties, but rather, that third parties saw how well Snake fit, and several wanted to see their own characters involved.
On a side note, if enough of the "Dream Team" from Chrono Trigger is involved and works well, isn't it possible that we could see the Sora company cooperate with Square Enix to remake and re-master Chrono Trigger? I suppose that's for another topic, I don't want to derail the thread.