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.
Perhaps Also of Interest...
downloaded 1m 45s ago
Search Wikipedia using the Song Name, Album, Artist, or Composer of selected or playing track
downloaded 12m 34s ago
Set choice of various number tags of selected tracks incrementally
downloaded 38m 31s ago
Renumber order of selected tracks
downloaded 51m 49s ago
Correct song titles listed as "Artist - Song Name"
downloaded 52m 35s ago
View/Edit tags of selected track(s) in single window
downloaded 52m 54s ago
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags