If someone ever truly figures it out... do let me know.

This would be a great topic for experienced subs to discuss. Knowledge is power.

DDLG kink is not my cup of tea, but I feel it's my duty to at least understand it. And so, I'm actually speaking to a little now. I can tell you this, it is absolutely fascinating.

Absolutely. All of that may true as well.

It depends on the mental/emotional environment you are trying to create in the listeners mind.
If one smells an orange, it is a interpretation of the chemicals in that orange (that's as complicated as I'm going to get) but it is not an exact representation.
Hearing is a different sorry. If one Read more… hears the note A at 440 Hz, the nerve impulses firing in the brain, are firing at 440 Hz. We still don't understand it exactly- but it seems sound is authentically reproduced in the brain.
If a hyperspace is what your going for, any aggressive music- above 120bpm, will do the trick.
If hypospace is your aim, anything below 90bpm, will get you there- think some Pink Floyd.
If though, you want deep, surreal, altered state- I'd go for really good binaural beats. They ARE real. And do work, for deep meditation.
Danni Rodes... Musician, Sound Engineer.

Good question, miss Sue. And, beyond that, it could be a deep *** that he/she did, you're unsure, and it is getting to you emotionally.
Unfortunately, way more info is needed, than a forum will probably be able to provide.

Very good writing. I'm actually impressed- and that doesn't happen easily.