Tag Team is an open-source project with a collection of Java libraries for reading, writing, and manipulating meta-data tags in audio files. The primary goals are full compliance with the standards, portability across several platforms, and providing a powerful, feature-rich and well-documented API.
MP3, OGG and some other audio files have special fields inside, which are called tags. Tags were designed to store additional information (meta-data) about the file, such as: the track title, artist, album, genre, and many others. There are many different tag formats: ID3v1 tags, ID3v2 tags, APE tags, Xiph Comments, ...