Who was the composer of the " Letter Duet " which was heard in a big scene in the movie
Both are covers , the " Original Sin " from Pandora 's Box 's Original Sin album ( it was also heard in the movie The Shadow , where it was performed by Taylor Dayne ) and " Left in the Dark " first appeared on Steinman 's own Bad for Good as well as the 1984 " Emotion " album by Barbra Streisand .