Change the case of the selected iTunes track names to "sentence case": all lowercase with the initial letter uppercase. For example, "L'effet Que Tu Me Fais" could become "L'effet que tu me fais", and "Comme D'Habitude" becomes "Comme d'habitude". This is customary in many languages.
(Note: In order to launch this PowerPC-era script on an Intel machine, it must first be opened and then saved using AppleScript Editor, which is located in your /Applications/Utilities/ folder. More information is here.)
Enter text for the selected tracks' Description tag
Locates pairs of track entries pointing to the same file
Export info to HTML doc
Paste text contents of the clipboard to each of the selected tracks' Lyrics tag
Edit basic tags for a selection of mixed-media tracks
Correct song titles listed as "Artist - Song Name"