During the opening credit animation, in the window, behind Charles, there are two fedora's placed there.
Jan mentions that her orchestra will be performing The Firebird by Stravinsky. In 1999, Steve Martin appeared in Fantasia 2000 as a guest announcer. Stravinsky's Firebird Suite was one of the musical selections featured in that film.
Selena Gomez (Mabel Mora) and Jane Lynch (Sazz Pataki) previously starred together in Another Cinderella Story (2008).
The concert sequence at the end of the episode was live and, for everyone involved, was quite the revelation following the Covid-19 pandemic. Amy Ryan found herself getting emotional at being at a communal event after so many months in lockdown.