Trent Reznor composed soundtrack for David Fincher movie about 'Citizen Kane' using only 1940s instruments

Trent Reznor and Atticus Ross have released their original score for 'Mank', David Fincher’s new movie about Citizen Kane co-writer Herman Mankiewicz. The Nine Inch Nails duo exclusively used period-authentic instruments from the 1940s to compose the songs for the ode-to-Hollywood movie.