Yes this was one of the first music videos in Australia. Also remember the studio audience had never heard most of the songs from True Colours (wasn't released when this was filmed).
"Outer Mongolia"(not on the original) for fans via the club much later on... I see to recall the original release also had this "HUM" which was a bit annoying.
It was incredibly expensive when it was first released, because music videos were so "new".
Enz manager Nathan had the vision to make this happen at the time.