This film documents a September 2013 concert at New York City’s Town Hall that was inspired by the music of INSIDE LLEWYN DAVIS. It includes performances of the film’s music as well as a selection of songs from the early 1960s, and features the Avett Brothers, Joan Baez, Lake Street Dive, Rhiannon Giddens, Marcus Mumford, Punch Brothers, Patti Smith, Willie Watson, Gillian Welch, Jack White, and others, as well as the star of the film, Oscar Isaac.