Do you know about this "mp3Tag"?

It's the shareware program with the same name. :flushed:

http://www.kastel.szm.sk/mp3tag.shtml

Tag editor and music organizer with extensive features. Supports MP3, WMA, APE, OGG Vorbis, AAC, FLAC, WavPack, MPC/MPP/MP+ and M4a/MP4 tags