The Portuguese title translates as try to guess which sound this is, and the part three final label shows it was released as the closing entry in a short series of guessing clips. Each entry in that kind of series is shared on its own, inviting viewers to test their recognition and compare guesses in comments or chats. The format stays popular because it needs no explanation, works in a few seconds, and turns a familiar or surprising sound into a small social game that anyone can join.