I also write in the Excel some comments, kind of mix, if it is an Atmos demo for 'friends', music style for my sons (when they come to visit me)...Oh Man. I'd be typing forever. It will still be no different than looking at folders, ...
When listening an album, If I find something relevant (that I didn't remember), I use to write something in the apropiate Excel columns.
It really helps me when searching. Memory is degrading...