Silent Night: A Song for the World
Stille Nacht - Ein Lied für die Welt (original)
Película sobre la creación de la canción navideña más famosa del mundo, «Noche de paz».
Starring Peter Simonischek, Kelly Clarkson, Joss Stone, Anggun, Josh Groban, Lina Makhoul, Gavin Rossdale, Clifton Murray, Fraser Walters, Victor Micallef
It's a documentary and music movie, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.