The genre selection list only writes a single genre. If you want to add multiple genres this will need to be done manually. You can use the existing genre field and add to it using actions, but not much point if you need to spend as much time writing the action in the first place.
BTW - a comma isn’t generally the best solution for a delimiter as that character often appears in other tag fields. I suggest you might consider a more unique Unicode character as the separator, or at least the more traditionally used semicolon ; or forward slash / as a better choice.
You can also use a dedicated action combined with a filter.
NOT genre HAS "Rock"
would list all files which don't have "Rock" in the genre field. Then, applying an action Format tag field for field GENRE with [%genre%, ]Rock would append the genre "Rock" to a possible existing genre.
You can use two actions Replace for field GENRE with
, Rock and
replaced by nothing (equivalent to removing) to remove the genre "Rock" from a possibly comma-delimited list of genres.
This only works when you are using multiple and separate fields for the same tag. In your example I believe you are using just one tag separating a list of genres with a comma or semicolon. So these actions don’t apply.
I think that what was covered in the links above. You would have to change the separator to use the semicolon if you made that change to your genre tags already. But regex is not my strength, maybe one of the other users can help. But this is not a simple action using any of the defined tools.
Solution for anyone reading this thread in the future:
Tags were converted to semicolons upon recommendation. Used "Replace" from Quick Actions, however this later (not first time) had issues for me because I drag and drop tracks from Music/iTunes
-- I think this thread helped but will see if issue persists in the ftuture.
De-deduplicating genres seemes to leave the last one. I used the .mta from the thread linked above, modified for semicolons
"NOT genre HAS "Rock" filter was used as template to keep file browser clean as I manually edited tracks.
-- Confirmed they can't be saved, as of now
Adding/appending tags to semicoloned list was done by creating an Action
-- Select 'Format Tag Field', choose Genre, add genre of choice. I simply highlighted and selected desired tracks then applied action to add genre.
Thanks to ohrenkino, MotleyG and
Florian who promptly enlightened me!
P.S My only final issue is not undoing deleting track (from browser view) when finger becomes trigger happy?
EDIT: Unsure how to split posts/threads so made a new one!