This stay-open applet watches your playing tracks and when an un-rated track starts playing displays a window with a demand it be rated.
While you could easily rate the current track from the iTunes icon in the Dock, this script interrupts you and compels you to do so.
OS X 10.6 or better only. Previous universal version available at the link below in the "Info" section.
This window will pop up when a new song begins playing.
Displays files in iTunes Media folder not in iTunes track library
Applet assists with swapping, copying, appending data between track tags
Renumber order of selected tracks
Download any or all available subscribed Podcast episodes not yet downloaded
Remove iTunes tracks disassociated from files
Search for lyric sites with Google using info from the current or selected track