UNEAC (Unión de Escritores y Artistas de Cuba) produces the biannual International Danzón Festival.  UNEAC is one the preeminent institutions in Cuba, organizing a range of cultural events and representing Cuban professional writers, visual artists, and musicians. Below is the official signed letter of invitation for Charanga Tropical to perform at the International Danzón Festival.  

Click here for English translation.  Click here for letter in Spanish as PDF.