Although the film had its world premiere in the 2021 Venice Festival, the passing of Ennio Morricone in 2020 - aged 91 - is purposely not acknowledged.
(at around 1h17m) Morricone is shown working on a score next to a Joan Baez album titled "But Hear Me," which is the [retitled] Italian release of the U.S. "Noël" album. It was her sixth studio album and featured traditional Christmas music.