Here are links to four classic Celia Cruz videos

Note: These summaries are in English :o)

Celia Cruz - Pinar del rio
"A very very young Celia Cruz, from a TV show ca. 1960"

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Celia Cruz from "Affair in Havana" [movie'] 1957
"Celia Cruz (October 21, 1925 -- July 16, 2003) in Lazlo Benedek's Affair in Havana (1957)."

-snip-

The drums shown in these scenes are sacred "bata" drums that come from the Yoruba people of Nigeria. The dancing and chanting/singing sound to me like they come from the Santeria religion.

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Celia Cruz and The Fania All Stars Quimbara
"The Africa Concert performing Quimbara. Cheo Feliciano, Héctor Lavoe, Ismael Miranda, Ismael Quintana, Santos Colon, Ray Barreto, Larry Harlow, Jorge Santana, Bobby Valentin, Nicky Marrero y Johnny Pacheco and Pupy Pedroso.

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Celia Cruz - Guantanamera con la Fania
"The legend lives on!! Celia Cruz - Guantanamera - Con la Fania"