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First recordings

Isolina Carrillo was one of the first people to recognize Cruz's ability to sing Afro-Cuban music and asked her to join her Conjunto Siboney, where Olga Guillot also sang. She later joined Orquesta de Ernesto Duarte, Gloria Matancera, Sonora Caracas and Orquesta Anacaona. From 1947, she started to sing in Havana's most popular cabarets: Tropicana, Sans Souci, Bamboo, Topeka, etc. In 1948, Roderico Rodney Neyra founded the group of dancers and singers Las Mulatas de Fuego (The Fiery Mulattas). Cruz was hired with this group as a singer, reaching great success and making presentations in Mexico and Venezuela, where she made her first recordings. Shortly thereafter, Cruz began to sing on musical programs at Radio Cadena Suaritos, along with a group that performed Santería music under the direction of Obdulio Morales. With this group, known as Coro Yoruba y Tambores Batá, she made several recordings that were later released by Panart.