This script will apply user-entered text to the "Long Description" tag of the selected track(s). This tag contains the text you see in the "Information" panel when you click the circled "i" in the description field. It's also used by podcasters and for display on some iOS devices.
Perhaps Also of Interest...
downloaded 9m 14s ago
Copy chosen tag info from one set of tracks to a different set of tracks
downloaded 13m 57s ago
Convert selected tracks and export the converted files to a new folder
downloaded 22m 48s ago
Append the track number of selected tracks to Song Name
downloaded 36m 7s ago
Perform search-and-replace on text in your choice of tags
downloaded 1h 2m 23s ago
Remove iTunes tracks disassociated from files
downloaded 1h 4m 42s ago
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags