You can start right there.

When the recording industry switched from tubes to solid state during the 70s that spelled the beginning of the end. I won't even mention the digital revolution that occurred in the beginning of the 80s that eviscerated the sound even further. Thinner vinyl records probably didn't help much. Superman can go back in time by circling the Earth at near light speed but we cannot. We're kind of stuck with what they give us. As I mentioned in another thread, the whole thing that happened during the 70s and early 80s to the sound is a lot like the movie The Fly, the Jeff Goldblum remake, when he attempts to teleport a nice raw T-bone steak from one pod to another. To demonstrate to the visiting female reporter that the steak survived the teleportation with no ill effects Jeff Goldblum cooks the steak and sits down to the table to taste it. But the steak tastes terrible, not like steak at all. Whoops, something happened when the steak's atomic structure was broken down and Re-assembled during the teleportation from Pod 1 to Pod 2. I won't even mention what happened when a fly inadvertently got into Pod 1 just as Jeff Goldblum tried to teleport himself. Oh, well, back to the drawing boards. Lol

Geoff Kait
Machina Dynamica