EZlib is a Free MP3 Music Library and Playlist Manager Features: (1) 14-field Custom-Query to create a Working List (2) Single and mass ID3v2 Tag Update (3) Four user-defined, Custom ID3v2 tag fields (4) Four user-defined Music Rating Fields plus TempoG (5) Playlist creation and maintenance (6) Playlist Tweaking at runtime (on-the-fly) (7) Search inside your Lyrics & Comments ID3v2 tag fields (8) Rename music files to match ID3v2 tag fields (9) Rename music files with a numeric prefix for CD writing in playlist order (10) Print Duplicate Titles List (11) Print Unique Artists List (12) Print: Working List, Playlists, Lyrics (13) Built-in, high quality MP3 player (14) Written in Assembly Language for speed