Helium 2
by Intermedia Design

  Helium 2 is the complete Audio Management software for your audio collection. Helium 2 will let you tag your MP3, MP2, MPEG Plus files with ID3 v1.x and ID3 v2.3 or ID3v2.4 as well as tag your Ogg Vorbis files.
To mention some of the features that Helium comes with:

different tag editors:
One which let's you customize which contents that you would like to work with (MP3, MP2, MPEG Plus and Ogg)
One which uses CDDB to get tag information from the Internet (MP3, MP2, MPEG Plus and Ogg)
One advanced ID3 tag editor (MP3, MP2, MPEG Plus)
One which handles mixed-tags, i.e. a track containing more than one tracks. (MP3, MP2, MPEG Plus)
One which works with Lyrics 3 v2.0 (MP3, MP2)
One integrated "Quick Tag Editor", for fast tag correction (MP3, MP2, MPEG Plus and Ogg)
Audio file storage in the database, which can always be fully browsed/edited/searched, no matter if the files are available or not
Audio CD storage, catalogizing support for Audio CD's (can also be browsed/edited/searched)
4 different database browsing/search views:
One which let you see all your albums, with picture support
One which let you define a grouping hierarchy by yourself to see just the data that you are interested in
One which let you search the database very easily
One which let you see all your data hierarchial, similar to the Windows Explorer
Multiple database support
Batch renaming/folder creating (using the tags)
CD Burner wizard
List maker
Export playlists in the most common formats (M3U, PLS, BPL)
Import playlists from the most common formats (M3U, PLS, BPL)
Integrated player for MP3, Ogg Vorbis and CD Audio
Enqueue to Winamp with just one click
Standard file/folder copy/delete/move/rename functions
Tag synchronizing functions
Database synchronization
Support for mixed-tags, useful for live mixes, mixed albums and classical pieces of music
Player support for mixed-tags, jump to subtracks with just one click

Related software:
mp3, audio, manager, cd, ogg, database, playlist, ...