UPDATED: Append to Selected Tag v5.2
For macOS 10.15 Catalina and later. Append the same user-entered text to the beginning or ending of the existing text in the chosen tag–Title, Artist, Album Artist, Album, Composer, Comments, Genre, Grouping, Show (or their Sort siblings), Work or Movement–in each selected track.

Latest version:
- UI update/clean-up, maintenance, minor fixes
More information for Append to Selected Tag v5.2 and download link is here.

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