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

Review

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 supp