Brandi Carlile provided backing vocals on four tracks on this Amy Ray (Indigo Girls) solo LP called Lung of Love released in 2012.

The four tracks:

When You’re Gone, You’re Gone
I Didn’t
The Rock Is My Foundation
Bird in The Hand

Release name:Lung of Love
Feature Track?When You’re Gone, You’re Gone
I Didn’t
The Rock Is My Foundation
Bird in The Hand
Year:2012
Notes:Released on LP and CD