Funny how one line of inquiry leads to another and then another. I've been looking at stereo spread as a result of these Side-solo experiments, comparing the "stereo-ness" of various references and how it relates to what I hear in the Side component.
A nifty tool for visualizing "stereo-ness" is Ozone's vectorscope. (If you don't have Ozone there are some freebie versions out there for download.) That in turn got me thinking about the "width" or "diffusion" parameters on reverb plugins and what they actually do do the stereo spread.
The idea of this control on a reverb is to pan each artificial "reflection" to a different point, so as to simulate what happens in natural reverberation, with reflections coming at you from all angles.
So I put the Sonitus Reverb on and used Ozone's vectorscope to see what was happening with its "width" parameter. Check it out:
That was a 100% wet reverb at three different "width" settings. Here's a typical vectorscope snapshot from a very stereo-ish song (Dream Theater):
See how wide it is? That's largely due to the wide double-tracked rhythm guitars, but when you listen to the Side component you hear almost every instrument represented. They've gone out of their way to make this a wide experience.
Compare to a classic-style pop/soul song ("It's a Man's World" by Seal):
This one is all about the lead vocal, right up the middle. There is an orchestra, and it's spread wide so that when the horns hit their accents the whole image suddenly bursts wide. It's a neat effect.
Here's what it looks like when the orchestra makes a big stab. They're panned wide so that even though they're making a dramatic statement they're never in the way of the vocal.