EZlib is a Free MP3 Music Library and Playlist Manager

Features:
(1) Custom-Query on 14 ID3v2 tag fields and file dates
(2) Single and mass ID3v2 tag update
(3) Four user-defined, custom ID3v2 tag fields
(4) Four user-defined music rating fields plus tempo
(5) Pictures (add / delete / display)
(6) Automatic lyrics search
(7) Playlist creation and maintenance
(8) Playlist tweaking at runtime
(9) Songwriter's aid
(10) Rename music files to match ID3v2 tag fields
(11) Rename music files with a numeric prefix for CD writing in playlist order
(12) Print functions
(13) Built-in, high quality MP3 player
(14) Small and fast