From Thomas Gugler:
Organize your MP3 files in minimum of time with MP3 Observer. Browse your hard drive or other storage devices for files, import them into the database, edit the ID3 tags, check and repair MP3 files, create playlists, export the database, or create CD archives. You can automatically import any type of file and open it with your associated file viewer. Also provide are an integrated Shoutcast Stream Capture, a CD ripper, a BPM counter, and an MP3 encoder/decoder. MP3 Observer Pro is the pay version of MP3 Observer Home and has a few more features.