John Prine Videos
Songwriting icon welcomed country spitfire onstage to sing "In Spite of Ourselves"
Duo performed 1971 track "Hello in There" during Prine's headlining set, which also featured guest spots from Justin Vernon, Jim James, Margo Price
Uncomfortable with harrowing song's key line about losing faith in Jesus, Cash worked with Prine to find something new
Singers' George Jones cover appears on Prine's duets album, 'For Better, Or Worse,' also featuring Miranda Lambert, Kacey Musgraves and Allison Krauss
Video from intimate Grammy Museum event also features "Sam Stone," "Souvenirs" and "Speed of the Sound of Loneliness"
Musgraves joins her idol for a song about getting high with him, and tells the mischievous story of their first meeting