What brings the sound of whirring caused by?

sound comes from disturbances in the air, causing vibrations in the air molecules. Our ear has a bone (The stirrup, also known as the tiniest bone in the body ) that picks up these vibrations and...

Sound is caused by fast enough vibrations in the region of about 30 Hz to 16000 Hz.Sound is caused due to the vibration of bodies. This would produce longitudinal percussion in the air medium. This...

air waves.

I think they used to have a different singer and when they got Oli to sing it changed their sound for the better

Closure of the two atrioventricular valves, specifically the tricuspid and mitral valves.