Elvis Costello, Marcus Mumford, others perform at 'Inside Llewyn Davis' show

... rousing backup vocals on "Please, Mr. Kennedy." Timberlake's character sings that song in the film about the New York folk music scene in the 1960s. Burnett acted as the project's executive music producer, just as he did for the music from the ...

http://www.ctvnews.ca/entertainment/elvis-costello-marcus-mumford-others-perform-at-inside-llewyn-davis-show-1.1476297