Joni Mitchell

Defining folk rock is a paradoxical task, to say the least.

'The Asylum Years (1976-1980)' features 'Hejira' demos, live selections from Bob Dylan's Rolling Thunder Revue and more.

Renditions of "Funeral for a Friend/Love Lies Bleeding," "Border Song," "I'm Still Standing" and more were performed.

Singer-songwriter also took home the award for Best Folk Album.

It's only the singer-songwriter's second headlining show in the past two decades.

Joni Mitchell is the most recent artist to be named as a performer at this year's ceremony.

"Like Veils Lorraine Said" has been shelved since the early '70s.

Change of scenery to British Columbia's Sunshine Coast provided new inspiration after 1971's 'Blue.'

Police guitarist appeared with her on a television special supporting environmental action.

Surprise performance seven years after brain aneurysm is documented for posterity.