Charlie Chaplin take in "The Kid". For "The Immigrant", a 20 minute-short, Chaplin shot 40,000 feet of film – enough for a feature-length. Describing his working method as "sheer perseverance to the point of madness", Chaplin would be completely consumed by the production of a picture. Robinson writes that even in Chaplin's later years, his work continued "to take precedence over everything and everyone else." The combination of story improvisation and relentless perfectionism – which resulted in days of effort and thousands of feet of film being wasted, all at enormous expense – often proved taxing for Chaplin who, in frustration, would
Charlie Chaplin with Chaplin describing to the composer(s) exactly what he wanted and singing or playing tunes he had improvised on the piano. These tunes were then developed further in a close collaboration among the composer(s) and Chaplin. According to film historian Jeffrey Vance, "although he relied upon associates to arrange varied and complex instrumentation, the musical imperative is his, and not a note in a Chaplin musical score was placed there without his assent." Chaplin's compositions produced three popular songs. "Smile", composed originally for "Modern Times" (1936) and later set to lyrics by John Turner and Geoffrey Parsons, was a hit