This script will apply the same user-entered text to the "Description" tag of each of the selected tracks.
iTunes 12 no longer provides a way to edit the Description tag of tracks in the Get Info panel for a multiple-selection of tracks.
The text you enter will be applied to the "Description" tag of the selected tracks.
Perhaps Also of Interest...
downloaded 19m 14s ago
Add or subtract a user-entered number from each selected track's Plays
downloaded 19m 42s ago
Convert selected tracks and export the converted files to a new folder
downloaded 56m 39s ago
Batch-change the Album Rating for the albums of selected tracks
downloaded 59m 27s ago
Deletes the lyrics of every track in the Music playlist
downloaded 1h 9m 3s ago
Perform search-and-replace on text in your choice of tags
downloaded 1h 17m 1s ago
Create a playlist of random Artists and set number of random songs back-to-back