You can expand the existing list of values at the end of this script
## Void temp tags/variables:
Set "TEMP_Multidisc"
Set "TOTALDISCS"
Set "TEMP_Various_Artists"
Set "TEMP_DiscNumber"
Set "TEMP_TotalTracks"
Set "TEMP_Track"
Set "TEMP_Title"
Set "TEMP_Artist"
with all the tags you don't want.
As @poster write, be careful and don't use a TAB between the command SET and the unwanted Tag.
This does not work here. If I expand the list the window stays empty.
I tried this already in several scripts with the same result.
Adding this at the bottom works for me:
# Only Cover Art
set "DISCNUMBER"
set "ARTIST"
set "ALBUM"
set "TITLE"
set "TRACK"
set "TRACKS"
set "ALBUMARTIST"
set "YEAR"
set "GENRE"
set "ITUNESADVISORY"
set "PUBLISHER"
set "_LENGTH"You are right.
I had a TAB between "set" and the tagfield instead of a space. 
@vikaesar . Hi, I have the following problem and I wonder if your src.file will fix it, but I don't know how to use it.
So I addes some tags with MP3Tag, but unfortunately the added tags are not visible in Google Play Music. I still have a lot of Unknown Album, Artist, ...
Can you help me?
Thanks
Carine from Belgium.
I do not think that a web sources script does anything for the target.
You would have to find out how your player updates its lists and see what the difference is between the files that show properly and those that don't.
The Google Play Music script seems to be broken again.
I get no search result whatever album I select to test.
Because I did not use it for several weeks I don't know when this problem started.
The Google Play Music as ended.