TagJet 2.1 was available as a giveaway on February 23, 2012!
TagJet is the spreadsheet MP3 tag editor that can identify tracks and entire albums and then automatically add to them tags, album art and lyrics. As well as it has wide capabilities of manual editing and ability to make all operation in batch.
Also it can rename files using tags. In addition you get a convenient view of your tags. TagJet supports all versions of ID3 and Lyrics3 tags. It is easy to use and well thought-out interface.
Windows XP/ Vista/ 7