This is an AHK script to control iTunes For Windows via global hotkeys.
This script is a successful attempt to extend the functionality of http://www.ke5fx.com/ilaunch/readme.htm.

Ctrl-alt-p to play/pause the current track
Ctrl-alt-s to skip to the next track
Ctrl-alt-b to go back to the previous track

Ctrl-alt-ArrowUp to increase volume
Ctrl-alt-ArrowDown to decrease volume

Ctrl-alt-1 to give a track 20 rating (1 star)
Ctrl-alt-2 to give a track 40 rating (2 stars)
Ctrl-alt-3 to give a track 60 rating (3 stars)
Ctrl-alt-4 to give a track 80 rating (4 stars)
Ctrl-alt-5 to give a track 100 rating (5 stars)

Ctrl-alt-a to add current track to the library

It uses the 'iTunes COM Interface'.
Unfortunately, this interface has not been updated for many years.

Some must-have features, such as deleting a track from the library without confirmation or setting a 'liked' or 'disliked' mark, could not be implemented.

Tested using iTunes 12.12.6.1, COM v1.3