Answer:
Although my cow is dead, I still beat her. What a racket she makes!
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go, I must take my bow or else I have nothing to say.
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
You are having a bad day if 12 peers deem you to be this
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?