One of the audience members of the concert at the Steinway hall (2012, Feb.5th) is actor Mark Ruffalo. He can be seen in at least two shots.
The title of the film comes from the J. D. Salinger novella, Seymour: An Introduction.
Excerpts from the Seymour Bernstein book WITH YOUR OWN TWO HANDS, are read by him; courtesy of Manduca Music.