Eisenberg was inspired by Chopin's nocturnes and études while writing the script, listening to them on a loop to capture the emotional tone he wanted for the film.
Eisenberg faced pushback from producers who wanted him to use more accessible pop music, but he stood his ground, arguing that the Chopin score was integral to the script's vision.
call sheet
Jesse Eisenberg, Kieran Culkin, Frédéric Chopin, Tzvi Erez, Rob Nassau, Slim Smith, The Hollywood Reporter, A Real Pain