Okay, so I know that GI BCBS is made from a stout that the brewers (or at least Brett Porter) consider more or less undrinkable in its native form, as it's so thick and sickly sweet. And I've read dozens of times that KBS is not made from FBS, but from a specialized Founder's stout. OTOH, I've also read that the CW BA stouts are made from their Solstice Imperial Stout. Do we know the provenance of other barrel-aged beers outside of the obvious instances in which a brewery just adds "barrel aged" or something similar to the name of one of its other beers? Is my working hypothesis -- that the best barrel-aged beers result from the use of a base beer that isn't commercially available because it has some specific characteristics that work better in a barrel than straight into a bottle or keg -- generally true? (What is the base beer of the highly regarded Parabola and Sucaba? For the Fifty-Fifty Eclipse stouts?) Apologies if this topic has been talked through recently.