Windows Vista/7/8 users rejoice! If you need to quickly update the ID3 metadata (tags) for one or two MP3 files in your collection, this free, shell-integrated tool will allow you to do just that, with nothing more than a right-click.
That’s right, no bulky software downloads, no opening applications — basically, no bloat!
Best Use? Perfect for adding Artist, Title, Album, Genre, Year, etc.
Source: Lifehacker – AudioShell Edits Audio Tags in Windows Explorer with One Click
