have you ever doppled missus?

it all started with horses and trumpets!
doppling they called it
but you could do it on anything
you didnt need a horse
just so long as you were moving fast
and making a noise
for you cannot dopple upon a horse stood still
nor a bus or train till it picks up speed
and you can always tell a doppler
just stand still and watch them pass
you'll hear them coming toward you
and as they pass their noise will change
from a higher tone - to a lower tone
they call it the doppler effect
have you ever doppled missus?