This script goes through any iCloud Matched songs in your iTunes library and tries to update the metadata from the iTunes Store.

Only works with matched and downloaded AAC files!

Select tracks to update in iTunes
Set update options and iTunes Store countries
Click "1. Get selected tracks"
Click "2. Lookup tracks"
Click "3. Update tracks"

Forked from: https://code.google.com/archive/p/itunes-match-tagger/