As I followed him inside, I noticed that a small foyer set off the entry had been converted into a bedroom. “The banjo player who sleeps there has a PhD from MIT,” Jordan said. “You’d like him.” Jordan is one of many musicians who come and go from the rental, squeezing themselves into any space that meets the technical definition of habitable. “Welcome to the bluegrass frat house,” he said, by way of explanation as we headed up to the second floor where he lives.

