OS X 10.8 or later. Append the same user-entered text to the beginning or ending of the existing text in the chosen tag (Song Name, Artist, Album Artist, Album, Composer, Comments, Genre, Grouping or Show Name, and their Sort siblings) in each selected track.
Preview each track as it will appear after applying the entered text.
Batch-append text to comments
Perform tasks on a batch of playlists; rename, delete, duplicate, merge, more
Gather audio tracks whose files contain no artwork metadata
View/Edit tags of selected track(s) in single window
AppleScript wrapper for afconvert rips CD tracks as Constant Bit Rate AACs
Set the Plays of selected tracks.