Wonderful to hear that again. I find myself humming it (Blot on the Landscape style) occasionally for no apparent reason.
Yes. The starkness of the fanfare and logo and the volume of the crescendo used to scare me as a kid choosing between that and the testcard as early morning viewing.
God, yes, I remember being afeared of it as well. Gave one the idea that to study with the OU was to submit oneself to rigorous programming, based on the latest and most progressive research into the human brain, psychology etc - ostensibly rational but full of scary, avant garde ideas (a classic Hauntological combo).