It's not Soule, he's already said he's not doing it.
It *could* be Inon Zur. He signed up with Atari a while back for an 'award-winning epic RPG series'. Could be BG3, but yoink.
Whoever Atari got for TOEE (some no-name guy) did a pretty good job, for what little I heard of its soundtrack. Soule *is* becoming pretty stale.