“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash ...

Luis Aceves via Unsplash In cultures around the world, instruments have brought music ... a single note from an Aztec whistle didn’t always indicate celebration — it meant death.

In cultures around the world, instruments have brought music and joy ... a single note from an Aztec whistle didn’t always indicate celebration — it meant death. “Death whistles,” or ...