Alfred Hitchcock wrote in 1982: "The Hitchcock touch had four hands, and two were Alma's." Hitchcock began work on his tenth film, "Blackmail" (1929), when its production company, British International Pictures (BIP), converted its Elstree studios to sound. The film was the first British ""; it followed the first American sound feature film, "The Jazz Singer" (1927). "Blackmail" began the Hitchcock tradition of using famous landmarks as a backdrop for suspense sequences, with the climax taking place on the dome of the British Museum. It also features one of his longest cameo appearances, which shows him being bothered by a small boy
Hitchcock & Herrmann and "Marnie". After ten years the two men ended their collaboration. Through what is two intersecting monologues the play "Hitchcock & Herrmann" explores the relationship between these two geniuses and endeavours to explain in their own words why at the height of their creative talents they parted company and never worked together again. Interspersed throughout are examples of Herrmann's music - often taking the place for important dramatic points. The play was first performed in January, 2005 as a rehearsed reading at the 4MBS Performance Studio in Brisbane, Australia with Knijnenburg himself playing the part of Hitchcock and Yalin Ozucelik