amalgam (a combination of different things); amalgam (an alloy containing mercury)
“La música cubana nace de una amalgama de fórmulas de la música clásica, folklórica de origen Hispánico y Africano, así como popular, militar, religiosa, con el aporte de países de las Antillas, el Caribe, Francia, Inglaterra y los Estados Unidos.” — Cuban music is born from an amalgam of formulas from classical music, folkloric music of Hispanic and African origin, as well as pop, military, and religious music, with contributions from countries in the Antilles, the Caribbean, France, England, and the United States.
Borrowed from Medieval Latin amalgama (“mercury alloy”), from Ancient Greek μάλαγμα (málagma, “emollient”), from μαλάσσω (malássō, “to soften”), from μαλακός (malakós, “soft”).