Display song key for next song

Hi all, it looks like there is no option in systems actions to display the next song key, only the current one. I would like to dip my toes into scripting to make this happen but not sure if it’s going to even be possible. Anyone know if it is possible via scripting?

Coincidentally, this came up yesterday. Two different options are described here:

What are the chances! Thanks, I’ll give this a shot. This’ll be my first attempt at using scripting.