The director and writer of the film, Damien Chazelle, could not get funding for the movie, so he instead turned it into a short film and submitted it into the Sundance Film Festival in 2013. The short film ended up winning the Short Film Jury Award, and he got funding soon after.
Though she received top billing for her performance and is the fourth cast member to be listed in the end credits, 'Melissa Benoist' has fewer than ten minutes of total screen time.
When Fletcher throws the chair at Neimann, the guitarist is behind Neimann in the first shot then missing in the second, probably removed to avoid being hit by a chair.
A number of times during rehearsals, the soundtrack can be heard with trumpets using Harmon/Bubble mutes, but visually, the trumpets are shown with open bells (no mutes).
The chart for Caravan can be seen in Ryan's folder twice. The first after Andrew notices someone listening to Nassau's classroom. The second after Andrew sits down after being called up by Fletcher.
Terence Fletcher: And here comes mister gay pride of the Upper West Side himself. Unfortunately, this is not a Bette Midler concert, we will not be serving Cosmopolitans and Baked Alaska, so just play faster than you give fucking hand jobs, will you please?