If you need to rename a large number of files in a directory accordingly to their ID3 description and a given "formula" (e.g. (%Track) %Artist - %Title). You can also fill ID3 tag with some smart functions.

Automatically downloads correct tags and filenames for your mp3`s! Works both online and offline. Makes audio fingerprints which it sends to MusicBrainz, a database containing more than a million songs, to get accurate information about the song.

Music organizer: easily handles all popular digital audio files tags formats. It can fix tags using freedb, import amazon.com info, get data from files/folders names, keep files and folders organized, create play lists, export tags data, etc.

Rapid Mp3 (ID3v1, ID3v2) and Ogg/Speex/Flac Vorbis tags editing and file renaming functions. Mass Tag editing is done using special variables and Regular Expressions. Import from TXT, XML, FreeDB. Undo and preview for all changes. Verify and create S

Power ID3 Editor is a full featured and ease-to-use tag editor for MP3, WMA and OGG files. Using Power ID3 Editor you can easily edit, add or delete ID3 TAGs data for your audio files. Single file and batch editing are both supported.