i think the latest version has a flaw when editing the performers and saving for non-MP3 files. MP3 files should be fine. I am fixing that now.
for non-MP3 files:
- the custom "Musician Credits List" tag is scanned and added to "Artists: Performers"
- when saving, going forward "Musician Credits List" will not be saved as a custom tag (once the bug is fixed) and only as a set of "PERFORMER" tags
for MP3 files:
- the custom "Musician Credits List" tag will be scanned and added to "Artists: Performers"
- if "Musician Credits List" is missing then "Involved People List" will be added to "Artists: Performers" instead
- when saving, for ID3v2.3, the performers with a specific role/instrument (ie. where role is not "Performer") are saved to IPLS
- when saving, for ID3v2.4, the performers with a specific role/instrument (ie. where role is not "Performer") are saved to TMCL
- performers with a generic "Performer" role are saved to TXXX/PERFORMER (as has always been the case)
for all files:
- going forward "Musician Credits List" will cease to exist and you should use "Artists: Performers"
edit:
to make the transition a bit easier what i can do is redirect the "Musician Credits List" to show "Artists: Performers". It would be a display field only