You sadly discover you have only months to live and start planning your funeral. You have to choose just one song that sums up your life to play at the funeral. What would you choose

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.