AudioGrail (Formerly K-MP3) is the swiss army knife for everthing that is related to audio files (MP3 MPC OGG...). It can very easily rename and tag (tag info such as artist name album track title) your files automatically. It can also analyse quality organize files on your system find duplicated files and improve your everydays audio experience

AudioGrail features ...

Supports MP3 OGG MPC APE AAC FLAC
and WavPack files.
Automatically Albums Ranaming Tagging
(ID3Tag V1 V2 tags Vorbis (Ogg)
comments and APEv2 tags are supported)
Powered by FreeDB.
One-by-one tag editor with queue (for
multiple files edition).
Audio files To Audio CD burning
capabilities.
Files Names Normalizer (Case
Standardization...)
Tags Normalizer (Case Standardization...)
Mass Tags Remover
Files Organizer (Mass Tag To Name / Move
To Folder)
Duplicate Files Finder
Playlist Creator Analyser (Supported
Formats m3u pls xpl)
Files Lister (Supported Formats Raw
listing Coma Separated Values SQL XML)
Incomplete Tags Finder.
Quality Analyser.
Internationalization support.
... And much more

http//www.kcsoftwares.com/