'Can a Song Save Your Life?' Writer-Director John Carney and His Favorite Break-Up Music
John also reveals that he wanted his new film to seem like a cousin of his 2006 drama Once.
"Many of the big decisions of my life were made with the record playing. What I would like to see people come away with for this film is music is integral to the way we communicate and the way we make decisions," says John.
Sundance: On the Scene