Desperately searching for the old Yanfly Engine Zealous Scripts!
I tried every conceivable download , even some of the bootleg spanish ones (lol) and still couldn't find them! Every download i found was either broken or didn't exist.
I guess that's my punishment for abusing VX so much...
I just successfully tested changing music by region, and changing it between continents on the world map after getting on/off the airship. I had to override the default audio transitions with eventing to make it change smoothly but it worked.