update: David Kramer-Smyth notes in comments that the article was edited, and that it originally said George Tickner had sat in with Jerry and Merl. True enough. I will keep this here for posterity, in any case.
Blumenthal, Les. 1975. Music to make your adrenalin [sic] rush. Spokesman-Review, July 6, 1975, Spokane Week section, p. 1.
This is the kind of tiny little random mention that comes over the transom that I just have to pin down. At some point, Ross Valory apparently sat in with Jerry and Merl. I hope the magic of the internet can happen here, and someone can come up with a concrete memory - preferably dated. Heh heh.
