If you're look'n for a set of specialized audio tools to "make ready" audio files to put on your MP3 Player then this might be exactly what you need. Includes tools to play, create playlists, transform, format, set volume amplification, rip Audio CD's to MP3, edit MP3 ID tags, edit MP3 files, record to MP3 and much more: most anything you want/ need to do to get your audio files ready to put on your MP3 Player can be done with "MP3 Sidekick".