Looks like it's a standard for embedding within MP3 files. But ss there ecosystem support for reading it from a "sidecar" file? I know digikam can read XMP data

Looks like it's a standard for embedding within MP3 files. But ss there ecosystem support for reading it from a "sidecar" file? I know digikam can read XMP data from a file that lives alongside image files that don't support such embedding.