Easy. Pico Henry. Not sure why chemists are so concerned with such a small amount of magnetism though…

It looks like they’ve beaten this record by a factor of ~3! From ~100um to 35um. What an advancement!

Other comments are on the right track. You likely need to get your music tagged correctly. From memory, you want the Artist tag to be A feat. B, then the Album Artist tag to be A.

MusicBrainz Picard is great. Especially if your music comes from formally released albums. My issue was having lots of indie playlists/albums. I solved this by having Various Artists labelled in the Album Artist tag (I think).