This script re-numbers the track number and track count tags of each selected track to its current Play Order and, optionally, enters a new Album Name for every track.
Batch set new Last Played/Last Skipped of selected tracks
Perform search-and-replace on text in your choice of tags
Convert selected tracks and export the converted files to a new folder
Remove iTunes tracks disassociated from files
Enter text for the selected tracks' Description tag
Display, create text file listing info of dead tracks