Hey, a band I can talk about a bit now! I listened to the second half of the "I've Been Walking" suite and my overall feeling is pretty much the same. If you aren't in my roulette, read my writeup for the first half of that song in the first round if you want more details. The chamber string or violin parts are my favorite in it.
This is an area of music I very much like though. The broad category really is what you could "alt-prog", that started loosely in the late 90s. There are many branches of it, but they all tend to be very distinctive from the classic prog, neo-prog, or even the 90s prog revivalists like Flower Kings, Spock's Beard and such that have more continuity of sound with the 70s bands. With the alt-prog artists the musicianship is often (though not always) reined in a bit more, though there is still a lot of more subtle complexity to song structures, time signatures and such. But they tend to take more influence from alternative music scenes, alternative rock, indie rock, post-punk, gothic rock, post-rock, grunge and so forth. The branch started by former doom bands like Anathema, Katatonia, The Gathering and such is my favorite one, but Gazpacho and others are kind of adjacent to it.