A flexatone is a modern percussion instrument that creates a distinctive, eerie, and wavering tone. It is also sometimes known as a "fleximetal". It is often used for sound effects that evoke a sense of mystery, whimsy, or other paranormal phenomena. You can often hear this sound in a couple of popular media as a sound effect or musical instrument. | History In Pictures

Musical Instruments Through the Ages - This video reveals instruments ranging from 2,800 years ago to some of the most recent creations of the last decade. You’ll hear each instrument in action, experiencing the unique sounds that have shaped human history. | The Brain Maze