How do you store and catalog your vinyl?

I've never seen an LP collection stored horizontally. Since CD's are (mostly) in jewel cases, I doubt it matters. But it IS easier to get a CD case out if it doesn't have 10 or 20 more piled on top of it.

Where the collection of CDs is placed in the room affects the sound, too. Moving the CD collection from one location to another location several feet away can sometimes make all the difference. And paper CD cases sound better than standard plastic jewel cases, which act as resonators. For the entire bunch of CDs that’s a big honking resonator beaming up at you. But it’s much more difficult to explain why the sound is much better when all CDs are stored vertically vice horizontally. But I can certainly understand if you never really thought about it or don’t think it matters.

Oh Geoff, I thought you meant that a CD itself sounds better if stored vertically! Maybe your room benefits from horizontal diffusion (from vertically-orientated diffusors). Mine does, for planar speakers. Plastic CD jewel cases are nasty, cardboard much nicer.

But the collection of CDs in jewel cases is acting as a resonator, not a diffuser. Even if CDs are in paper cases the sound in the room will be better if vertically stored. Same with all media, even videos and books. See where I’m going with this? 😬