As the full title implies, this is a slow, meditative piece, in B. Specifically, the rather neglected Locrian mode... except for when the F-sharps pull it more toward Phrygian mode. Or when the A-sharps make it more of a plain B Minor. Or when the D-sharps skew it toward B Major. Anyway, it's in some form of B. Except for the middle 3/4 section, which is in A... sort of.
Even though #6 and #7 don't sound that much alike, they both fit my hard to explain definition of Perenepsis -- #6 is more along the lines of the original #2 (now #1; I have since swapped the order of the first two, which is not reflected on this site), and this one is closer to #5.
Meanwhile, the piano piece that I started less than two weeks ago, having been pushed aside by these two newcomers, has decided to give it a rest for a while. I'll probably work on some other things while I let it marinate. Maybe something for strings; give the piano a rest for a bit.