I believe sound is a form of energy
There is a novel named Of Beetles and Angels by Mawi Asgedom, and his book was an extraordinary adventure from a refugee camp TO HARVARD.
His book teaches us that even if you're at the lowest point in life, try and you can get what you want.
I'm not really sure, but if she is selling it, it has to be good. After all she is a celebrity.
I learned a lot from reading the article "The Weather in China."
D. Weather, because it is part of the title.
Hope this helps.