This script assists with applying Shortcut Key Combinations to your iTunes AppleScripts in iTunes' Script menu. The accompanying Read Me explains how to use and the powers at work.
? Note: This script writes to iTunes' preferences file, com.apple.iTunes.plist using the defaults shell script command.
Read the Read Me! Or read more here online.
(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.)