Note: though tagging any one album is quick, if you've got hundreds that need tags, it could turn into a weekend project. MusicBrainz Picard is a great, free app for Windows, Mac and Linux that can help you quickly tag your music files. If you buy your tunes or videos from the iTunes store or most other large retail operations, your tags should be fine, but if you found them online or ripped them yourself, you may have to deal with gaps or bad info. This is essential for keeping track of any large collection. Here are some tips and tools to make it easier to enjoy all that entertainment: If you're having a hard time tracking down files, or if your media player takes too long to load, you should consider changing your approach. It happens to all digital-media hoarders: Eventually, your collection outgrows your software and management tools.