Yes, I looked at your spreadsheet a few months back but my lack of tags meant it didn't offer me much other than a file of my collection which I could manipulate on my PC. I do have NAS which is very useful, but generally I just use the B2 or a tablet to play music. However, I can see some benefit in classifying by genre and being able to generate playlists.
So, I might have a play around. It can't do any harm although from my initial use of Discogs with MP3tag, quite a lot of my albums may have to processed manually.
Thanks,
Rich