"Directors going independent to make precisely the film they want was not begun — as we sometimes think — by the latterday Johns (Cassavetes and Sayles). After World War Two John Ford formed an indie with the legendary producer (war hero also) Merian C. Cooper: Wagon Master was the lovely result, a film that seems like folk art. The stirring score and brilliant diagonals of Ford’s composition greatly inspired us in the Barcelona edit room — though I’m not sure if any trace of that influence could be found in our film."
Source