 Particularly in the United States, the song is considered to be one of the most important Brazilian Jazz/Bossa songs that helped establish the Bossa Nova movement in the late 1950s.Manhã de Carnaval has become a jazz standard in the USA, while it is still performed regularly by a wide variety of musicians around the world in its vocalized version or just as an instrumental one.In the United States, the song is also known as "A Day in the Life of a Fool", "Carnival", "Theme from Black Orpheus", or simply "Black Orpheus".