Answer:
A beautiful succession of sounds.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.
They are the group who manages the winged engines of war.
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
What instrument can you hear but never see?
People take me on walks and I run and have fun. What am I?