Explaining Vocals | Science of the human voice on Instagram: "When an impressionist is THIS good… even Simon Cowell becomes the punchline 😂🔥 Daniel Ferguson walked onto the America’s Got Talent stage and delivered one of the funniest, most creative performances ever — singing “Cake by the Ocean” while switching voices like a total maniac in the best way possible. Donald Duck… Kermit… Gollum… And then — SIMON HIMSELF. 😭🔥 The judges lost it. The audience lost it. Even Simon couldn’t stop laugh