I always ask Wzkit to play this when he is at my home because the wonderful harmonies and counterpoint sound so breathtaking on the Omega. So I finally took the plunge a few days ago and started working on the piece. I will never be able to master it but I’ll have lots of fun learning it anyway. It will take me ages of course, due largely to the lack of skill and time.
The Wikipedia entry for it is here. There are many recordings of it on YouTube but my personal favourite is the interpretation by the peerless Sviatoslav Richter.