Porgy and Bess is like a giant squid... people only knew it existed because of the rotten carcasses that washed up on shore once and a while.
...it was mythical until captured on film by the Japanese in 2004.
...it is a favorite prey of sperm whales and Stephen Sondheim.
...it has eyes the size of dinner plates.
...it appeared in a Jules Verne novel.
...it was rumored to exist by 18th century British sailors.
...it is preserved in ice in some museum.
"...everyone finally shut up, and the audience could enjoy the beginning of the Anatevka Pogram in peace."