EasyTAG is an utility for viewing and editing tags for MP3, MP2, FLAC, Ogg Vorbis, Speex, MP4/AAC, MusePack, Monkey’s Audio and WavPack files. Its simple and nice GTK2 interface makes tagging easier under GNU/Linux or Windows.

http://repo.openpandora.org/?page=detail&app=easytag