In addition to tagging, having iTunes handle artist names individually would be a solid improvement, too. A collaboration song between two artists currently shows up as its own entry in the artist list. So if you just go to either artist, the song never shows up.
iTunes really needs some kind of actual tagging feature. It has smart playlists, which let you choose songs by setting filters that find music for you based on song info. But all you have to work with are the fields Apple gives you, so doing anything more custom than filtering by those means you have to cannibalize an existing field....
I had "Mizukagami Garden" stuck in my head on and off this morning. Made me wonder: supposedly listening to music can temporarily change the pattern of your brain waves. Could your brain waves, conversely, draw particular music out of your memories and bring it to mind? Was there something in my head on repeat? Or is it probably just my mood at work? Or are those the same thing?
After some needed maintenance (that took me a few months to get to), finally got to use my iPod again today. Sooo nice not to be stuck listening to YouTube on janky headphones. Like first hearing some of my favorites all over again :)