Up for bid will be a slew of speakers and speaker boxes, more than half a dozen recording and live sound consoles, various vintage effects, analog and digital tape machines, guitars, drums and more. The full auction, “Property from the Estate of Frank and Gail Zappa,” will be held by Julien’s Auctions on November 4; the company will hold a public exhibition of the items October 31 through November 3.

His house was sold to Lady Gaga. There’s a lot of history in these items.