Olá Olá,
Preparados para o segundo som? 3,2,1...
Comenta neste post as tuas suposições. (Tenta responder em português) / Reply to this post with your guesses. (Try to respond in Portuguese)
♫ Who will be the first to guess the mysterious sound? ♫
Good luck and have fun!
Juliane, OLS Community Manager - Portuguese