Answer:
Hold these between your knees if you want to set a Cuban beat.
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.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
What is it something that you always have but you always leave behind?
What do angels sing in the shower?