Answer:
It's what light turns into in the night
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
What shoes should you wear when your basement is flooded?
This heavy and ancient suit was not worn with a tie, but was always worn in battle.
What is used by man, tossed by trees, everywhere but unseen?
It is something you will never see again.