Bay Area fan accumulates epic collection of rock music memorabilia

Bill Guardino stands amid the nearly unfathomably large collection of music memorabilia that overwhelms the house he shares with his wife Janet and his dog Zappa in Gilroy

“I don’t know where to begin,” the 69-year-old fan says as he is about to guide me on a private tour of his artifacts, curiosities and undeniably cool stuff.

So, I make the decision for him and immediately zoom past the Beatles, Grateful Dead, etc. and follow my own musical passion right to a gorgeous framed display of Black Sabbath’s debut record...