Listen to Mantenha a Calma online. Mantenha a Calma is an Instrumental language song and is sung by Beatriz Natureza Flores. Mantenha a Calma, from the album Curar Corpo e Alma - Música Relaxante para Massagens, Aliviar o Estresse com Sons da Natureza, was released in the year 2019. The duration of the song is 6:56. Download Instrumental songs online from JioSaavn.