The Robot is singing to the tune of the Matter Patter from "Ruddigore." However, repeated couplings of sixteen syllable lines also makes it fit more or less into the Major General's song from "Pirates of Penzance" as well.
--Geoff
It was worth a shot. Scotland did, after all, stick by Charles I after the roundheads booted him out. And Queen Vic went up there with Albert all the time without incident.