The background behind the "Sony Pictures Classics" logo at the beginning is bright pink instead of its normal blue.
Apologies to Johann Strauss Jr. - the Waltz James P. Johnson - the Charleston Ernest 'Chubby Checker' Evans - the Twist
Prerolls have credits of leads as "the damsels" for females and "their distresses" for males.
The spelling of 'doufi' is non-standard, but preferred.