AVClub: There’s nothing like a love triangle in which one of the three people involved is both famous and dead. “I’m competing with a saint,” complains Tumbledown’s Andrew (Jason Sudeikis) to Hannah (Rebecca Hall), the woman he loves, but it would be more accurate to say that he’s competing with a ghost, albeit one whose haunting is wholly psychological. What’s more, it’s the ghost of a man who died young, at the height of his popularity. Damien Jurado provides the music of Hannah’s late husband, Hunter Miles, a Bon Iver-ish acoustic folkie who released one “perfect” album, recorded solo in the Maine woods, before accidentally falling to his death while hiking. Andrew, an academic specializing in pop culture, wants to write a book about Hunter, and winds up agreeing to collaborate with Hannah on a biography. The two gradually fall for each other while he stays in Hannah’s cabin, gathering information, but Hannah still isn’t quite ready to let go of the icon whose beloved songs were...