Answer:
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
It is the electronic version of junk mail or a salty meat in a can.
What gets beaten, and whipped, but never cries?
What instrument can make any sound and be heart, but not touched or seen?
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.