First of all, the music. The music in Night and Day by Gianni Castaglioni is in the repetitive rhythm of the images, usually very rapid (with some suddenly slowed down, figements, yet with a fiery intensity). And as each shot, (brief like those of Mekas or Brakhage), moves,; as the camera moves to the nervous rhythm of a wrist, the music becomes a sort of Free Jazz — and not on...