UPDATED: Scan For Double Entries v4.2
This applet will scan your Music library for pairs of track entries that--very strangely--point to the same file and then copy those tracks to a discrete playlist for further examination; presumably you'll want to remove one of the faux pair tracks without Trashing the single associated file.
More about this issue is here.
- Maintenance and minor performance fixes
- Accommodations for macOS 13 Ventura
More information for Scan For Double Entries v4.2 and download link is here.