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Wiktionary
frevo

n. Any of a wide range of music and dance styles originating from (w: Recife), (w: Pernambuco), Brazil, and traditionally associated with Brazilian carnival.

Wikipedia
Frevo

Frevo is a wide range of musical styles originating from Recife, Pernambuco, Brazil, all of which are traditionally associated with Brazilian Carnival. The word frevo is said to come from frever, a variant of the Portuguese word ferver (to boil). It is said that the sound of the frevo will make listeners and dancers feel as if they are boiling on the ground. The word frevo is used for both the frevo music and the frevo dance.