The voice belongs to Brazilian radio announcer Cabeção, recorded during his time at FM O Dia, where his loud, playful morning delivery became a familiar part of the station's sound. Shared onward as a short WhatsApp audio, it travelled from listener to listener as a ready-made way to wake someone up without typing a long message. Like other cheerful Brazilian morning greetings such as Bom dia magnata, it survives because it is short, instantly recognisable and easy to reuse every morning, especially in group chats where one energetic hello sets the tone for the day.