Thanks for the tag, it took me a while to get here. I was busy watching The Fall of the Cabal. Buckle your seat-belts, I think the roller-coaster just left the station.
Anyway, yes I have read several stories of how the intro sound came about. Clearly, they used an improvised setup to make the sound, and maybe had one or more microphones in the middle? The idea seems to have started during their demo sessions with Gene Simmons’ production company in 1977. The sound effect then went on their first album, and joined them on the road as well, according to the stories.
Interesting/ironic aspects that maybe people haven’t considered …
What does the Devil always have? Horns! Coincidence? Maybe.
Also, by slowing down the sound (through tape machine I assume) and creating the descending tone, it creates the imagery of going down into Hell. I always thought that was pretty obvious. YMMV.
Of course, the lyrics seem to represent a freewheeling Rock band navigating life “on the road” (though the chorus makes more impact, psychologically). I guess I’ll give them the benefit of the doubt on that. However, it’s not too hard to see these references as themes from Hollyweird (now Hollywoke) and the elite Recording Industry, which have promoted things associated with Satanism for a long time. Naturally, these things are disguised, or blatantly open but couched in lighthearted humor and satire to conceal the meaning. Again, YMMV. Maybe I’ve just spend too much time studying the effects of MK Ultra (CIA) and psychological brainwashing techniques.
Those are much more common and widespread than many people realize. And exist right in front of your nose, since birth.
I probably can’t say much on that beyond my guesses above. Several different horns perhaps, an accommodating room or space (or outside), and microphones to capture it - for the base recording. The descending pitch afterward through probably tape machine and track bounce to another tape machine. Maybe there’s a fast phaser on the sound and some other effects? Volume at different points seems to play a role also, in the perceived sound.
The ‘Official’ video is interesting too. The horns sound a bit different (original recording?). That video was filmed (and staged) at Whiskey-a-Go-Go from what I read, and the album photos were taken there too. I notice that when DLR sings the 4th line of the first lyric, “Yes, I’m living at a pace that kills” (not what I thought the words were BTW), at 0:56 he seems to purposely look ‘heavenward’. Another coincidence?