Be ready for an overload error message. Wolfgang was Bill Graham - legendary promotor and concertmeister. He never got rid of the extra promo stuff. Tickets, T-shirts, photos and on and on. They moved it all a couple of years ago in 40-foot trailers like the ones you see on the roads known as 18-wheelers. There were 25 of them.
Here is the CBS version of the story
The Smithsonian must be drooling. If not, they will be soon. Here's the link!