Answer:
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.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Not a comb or a brush but makes the hair feel plush. What is it?
What goes up and down but never moves?
Said to have fifty shades
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.