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.
Batch-reset the Start and Stop Time of selected tracks to their entire duration
Remove iTunes tracks disassociated from files
Export album artwork as folder.jpg to Album folder
List tracks not assigned to playlists
Perform search-and-replace on text in your choice of tags
Display, create text file listing info of dead tracks