In Cuba, the word "comparsa" refers to the "Cabildos de Nación" neighbourhood groups that took part in the carnival authorized by the Spanish government on the Three Kings Day (Día de Reyes) during the colonial period. Conga is of African origin, and derives from street celebrations of the African spirits. The distinction is blurred today, but in the past the congas have been prohibited from time to time. Carnival as a whole was banned by the revolutionary government for many years, and still does not take place with the regularity of old. Conga drums are played (along with other typical instruments) in comparsas of all kinds. Santiago de Cuba and Havana were the two main centers for street carnivals. Two types of dance music (at least) owe their origin to comparsa music: