Abstract
This article approaches the city as it is lived in events rather than as it is defined by its material forms or by its standing institutions. In the plays staged in South-African townships, in Brazilian capoeira, or in a carnival parade, the constitution of « instant communities », or « communities of movement », depends upon situations that provide the initiating movement of politics. In all such cases, the city really exists and vibrates when it is attuned to the rhythm of its cultural self-invention