In Strange Sounds in the Sky-Theories on the Earths Recent Unexplained Booms, Tonal and Metallic Soundscapes I perform audio experiments where I compare the notes and chords heard in these mysterious videos. I imagine there are plenty of musicians out there who would say these remarkable Earth tones have the likeness of a sound patch straight out of the Absynth or Evolve virtual instrument library. I have yet to experience the rumbling, metallic scrapping and cosmic horns first hand however. Though there are plausible scientific explanations, the abundance of these witnesses are unprecedented. What could be cause? Poles shifting from North to South on the Earth? Abnormal amount of solar flares? HAARP? Read the article here.