If you tap a fork against a wineglass, the tinkling sound it produces is its natural frequency. Any object reproducing this frequency will cause the glass to vibrate or even break. This common phenomenon is known as resonance. Knowing that solid objects can be shattered by sound, ask yourself, how fragile are you?
All objects possess what is known as a natural frequency, or a frequency at which that object vibrates. This common phenomenon is known as resonance and occurs because the sound displaces nearby air particles which crash into the object like invisible waves causing it to vibrate. Music too often contains resonant sound frequencies which effect the listener..