 The best known contest among "chirigotas", choirs, "comparsas", and quartets in Cádiz is the 'Official Contest' at the "Gran Teatro Falla", that finishes just before the first Saturday of Carnival.It is broadcast by the regional television and radio stations.Other contests take place before, during, and after the Carnival, usually organized by institutions and private clubs, and their venues are open "tablaos" in the public squares ("plazas") of the city.