Tag and M3U allows you to easily edit tag information(ID3v1, ID3v2, WMA, MP4 and Apple iPod m4a tag) for multiple files in your music library or make your own m3u playlist with the music files. Write tag by folder name,file name and existing tag fields, rename files by tag, search music files and create, edit and manage m3u playlist. Automatic features do it all for you. Powerful undo feature. Multi-language interface and easy to use.