Matt Donnelly Senior Film WriterIt took more than 13,000 plays of the Bruce Springsteen song “If I Should Fall Behind” — a live version recorded with the E Street Band at Madison Square Garden — to help Laura Dave finish her latest novel, “The Last Thing He Told Me,” which hit shelves on May 4.The author of bestsellers like “Eight Hundred Grapes” and “The Divorce Party” listens to the same song on repeat as part of a long-held process.