The film is named after a song of the same name, composed by Johan Söderqvist for the film Let the Right One In (2008)
Kinderszenen Opus 15 is heard in the film. The piece is composed by Robert Schumann, who had auditory hallucinations in his later life, much like Jim does in the film.
Was broadcast on Sky TV on the 1st September 2014 as part of 'My Cine Shorts'.
Clive Swift was approached to play the lead role but turned it down. He later sent Richard J. Moir a letter of thanks for considering him.