MP3 EZlib is a Free MP3 Music Library/Playlist Manager. EZlib features a front-end Title/Artist search which can be used to build a more refined working list of songs. Other features include: single and mass ID3v2 Tag Update functions, four Music Rating categories (and Tempo), four user-defined Custom ID3v2 Tag Fields, an internal tag search on lyrics and comments, a unique PlayList Manager with on-the-fly runtime Playlist Tweaking, the ability to print the music library in multiple sorts and to print lyrics, comments, and playlists. Files can be renamed to match tag fields. The program has a built-in MP3 player. The unique features of EZlib are: 1. Title or Artist search to create a Working List 2. (4) User-defined, Custom ID3v2 Tag Fields 3. Playlist Tweaking at runtime 4. Search inside your Lyrics & Comments ID3v2 Tag Fields 5. Written in Assembly Language for Speed