Wish I could help. I don't know the details but the scenario you post sounds right. The Fillmore showed more fun and spunk with New Riders of the Purple Sage, Quicksilver Messenger Service the FIRST Jefferson Airplane (noted earlier before Grace Slick) and was the first place I saw The Mothers of Invention.
Coots and Codgers rule.
F7
Coots and Codgers rule.
F7