In the beginning of the film, after Max returns from Europe, he sing a song to Morris and Morduch in the restaurant. Before he starts singing, He mentioned that his cell mate in the German prison was a German music writer called "Jonathan Rekter". Yoni (in Hebrew full name: Yonatan) Rechrer is a known Israeli musician and song writer. He compose all the songs and the music in the movie, including the song Max sings right after that comment.