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.
Open the single selected track in in QTP7 and open QT's A/V Control window
Two scripts copy text from the clipboard to current or to selected track's lyrics
Renumber order of selected tracks
Display, create text file listing info of dead tracks
Remove iTunes tracks disassociated from files
Locates pairs of track entries pointing to the same file