Listen to Heavy Downtown Traffic, Crowds and Whistles in a Big Braziliam City online. Heavy Downtown Traffic, Crowds and Whistles in a Big Braziliam City is an English language song and is sung by Sound Ideas. Heavy Downtown Traffic, Crowds and Whistles in a Big Braziliam City, from the album City Sound Effects of the World, was released in the year 2017. The duration of the song is 2:05. Download English songs online from JioSaavn.