TagLib is a library for reading and editing the meta-data of several popular
audio formats. Currently it supports both ID3v1 and ID3v2 for MP3 files, Ogg
Vorbis comments and ID3 tags and Vorbis comments in FLAC, MPC, Speex, WavPack
and TrueAudio files.
WWW: http://taglib.github.com/