Answer:
What language does a billboard speak?
I am a rock group with four members. All dead one was assassinated.
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
you can throw me away but I will always be coming back
I only exist when you are here. Where you never were I can never be.
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.