(windows) command line m4a tagger?

[paultaylor]

(21-11-2017 14:04)skeptic Mike Wrote:  Presumably Paul Taylor will know how he handles this in his java library. My guess would be the same way that mp3Tag does. It's possible that the mp4 standard would tell which is more formally "correct".

Yes, it is the same as MP3Tag, separate reversedns atoms (each containing mean, name & data) for each performer.

AtomicParsley has not been updated for years (even this fork), I use it myself sometimes for reading data and comparing with jaudiotagger but I have never used it for writing data.