MediaMonkey is a free music organizer for the serious collector; it will manage a music library consisting of small to extensive collections (50,000+) of audio files and playlists.
You will have full control no matter whether they're located on your hard drive, CDs, or a network. You can organize, browse, or search for music by Genre, Artist, Year, Rating, etc., and never waste your time trying to find mp3s you know you have. Automatically identify any tracks missing information, whose tags are not synchronized, or that are duplicated elsewhere.
Organize music and edit tags in your audio library with a powerful, intuitive interface
Automatically lookup and tag Album Art and other metadata
Manage 50,000+ files in your music collection without bogging down
Play MP3s and other audio formats, and never again worry about varying volume
Record CDs into OGG, MP3, and WMA files
Convert MP3s, OGG, and WMA files into other formats with the Audio Converter
Create playlists and music mixes quickly and easily to suit any occasion
Synchronize with iPods and portable MP3 players effortlessly