In the waning days of our previous millennium, an envelope arrived at the Dr. Dog Bungalow. Initially misplaced among credit card solicitations and clothing catalogs, it had no postage and smelled of a fusty funk, as if it had once been wet. The return address said simply “Phrases from the Psychedelic Swap.” Inside was a cassette tape. “Play me,” it said. So they did, and they grew 10 feet tall — tall enough to reach the key but too big to fit through the door.