For those of us who have trouble staying in tune when we sing, Deutsch has some exciting news. The problem might not be your ears, but your language. She tells us about tone languages, such as Mandarin and Vietnamese, which rely on pitch to convey the meaning of a word. Turns out speakers of tone languages are exponentially more inclined to have absolute (AKA ‘perfect’) pitch. And, nope, English isn’t one of them.