The only old recording with the title of "polo", prior to its "rediscovery" in the 1950s, was made by La Rubia and it resembles the "caña" even more than the usual version of the "polo natural". In 1960, at the time of reappraisal of traditional cante, the polo natural was recorded by Jacinto Almadén (also known as "El Niño de Almadén"), in the "Antología del cante flamenco" compiled by guitarist Perico el del Lunar and flamencologist Tomás Andrade de Silva. At the time, according to the introduction the latter wrote for this anthology, singers who knew this song were extremely rare. Since then, it has been recorded by several famous singers, but it has remained in