OS 10.8 or later. This script will rename the files of the selected tracks (or the files of the tracks in the selected playlist) with a filename pattern that you formulate using the tracks' tag data. Optionally, export a copy of the files to a chosen location and rename the files in that location.
The main window and Preview window. Clicking the "?" button displays a Help window listing available track properties that can be used.
Edit a selection of iTunes tracks' tags in single window
Make selected tracks NOT bookmarkable
Perform search-and-replace on text in your choice of tags
Append user-entered text to beginning or ending of selected tag of each selected track
Set choice of various number tags of selected tracks incrementally
Capitalize the first letter of each word in selected track names