Answer:
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
Spies and detectives do this to phones and musical shoes make this sound.
A stylish winter top that covers your larynx.
It is a symphony of noise, It can produce both grief and joys, It is inspiring and grand, Made by a person or a band.
What loses its head every morning only to get it back every night?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.