"Let's Do It" (song) (1954). These words were added to the original 1928 song, replacing lines including "Chinks do it, Japs do it" because Porter realized that those lyrics were offensive.
"Ron Livingston Talks the Conjuring, Why He Got Involved, Meeting His Real-life Counterpart, Building Chemistry With His Film Family and the Immersive Set". Interview with Dave Trumbore, collider.com. June 26, 2013.