War of the Worlds | Scary Tripod Sound (With Pitch Changes) Classic tripod horn with multiple key and pitch changes. 2012-07-05 18:00:00 - Dr. Creepy More Posts Artificial Intelligence | Machine Learning Our Future 12.000-Year-Old Special Purpose Building Discovered World's Largest Underground City Uncovered in Turkey Albert Hammond | It Never Rains In Southern California (1972... Homo Sapiens