This script will copy the Artist tag to the Album Artist tag of the selected tracks.
Remove iTunes tracks disassociated from files
Restore each selected track's artwork from an image file stored in its Album folder
Assist with discovering and eliminating same-named tracks
Create new playlist of track number-ordered tracks based on artist, album, and disc tags of single selected track
Deletes the current track from all playlists and moves to Trash
Gather audio tracks whose files contain no artwork metadata