Jonny Fritz, Izaak Opatz, and more than 50 other artists appear on 'Back in the Garage,' a live performance album benefitting L.A. fire relief.

"When something like that happens, your approach to life, your mortality is brought to the forefront," says Peter Perrett of his close calls.

A Complete Unknown gives a fleeting glance at the career of a totem of American folk music. Here, we fill in the gaps ...