Answer:
Thirty men and ladies two, gathered for a festive do; Dressed quite formal, black and white; soon movement turned to nasty fight.
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
I’m a word, six letters long; I sometimes enter with a gong. All in order from A to Z, I start with the letter B. What is the word?
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I’m best when I am roast.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.