I want to know the answer to the following question:
What is summoned by the Desfile de Llamadas parade?
All the background I'm provided with is that "The main attractions of Uruguayan Carnival include two colorful parades called Desfile de Carnaval (Carnival Parade) and Desfile de Llamadas (Calls Parade, a candombe-summoning parade).". Is that enough to answer the question?