The Aztec Death Whistle: Listeners say it sounds like the wail of a thousand tortured souls

Aztec Death Whistle!!!

The Aztec Death Whistle is one of the scariest sounds you'll ever hear

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Aztec Death Whistle (Most Terrifying Instrument Ever?)

Aztec death whistle:how it sounds

The most terrifying sound in the world — Aztec Death Whistle

Listen to the 'scariest sound in the world': Scientists recreate the noise of the Aztec Death Whistle that may have accompanied human sacrifices

The Aztec Death Whistle Makes One of the Scariest Sounds You'll Ever Hear, Nature and Wildlife

Real Screaming Aztec Death Whistle by ITZCOEHUA - Loudest Authentic Human Sounding Screams 125+ Decibels Loud, Collectible, Aztec Design in Obsidian Black, Self defense : Musical Instruments