Answer:
Although my cow is dead, I still beat herย What a racket she makes.
Walk on the living, they donโt even mumble. Walk on the dead, they mutter and grumble
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
As light as a feather, but you canโt hold it for ten minutes.
I have two bodies joined together as one. When standing still I run and run.