A man walks into a bar and asks the bartender, "If I show you a really
good trick, will you give me a free drink?" The bartender considers it,
then agrees. The man reaches into his pocket and pulls out a tiny rat.
He reaches into his other pocket and pulls out a tiny piano. The rat
stretches, cracks his knuckles, and proceeds to play the blues.

After the man finished his drink, he asked the bartender, "If I show you
an even better trick, will you give me free drinks for the rest of the
evening?" The bartender agrees, thinking that no trick could possibly be
better than the first. The man reaches into his pocket and pulls out a
tiny rat. He reaches into his other pocket and pulls out a tiny piano.
The rat stretches, cracks his knuckles, and proceeds to play the blues.
The man reaches into another pocket and pulls out a small bullfrog, who
begins to sing along with the rat's music.

While the man is enjoying his beverages, a stranger confronts him and
offers him $100,000.00 for the bullfrog. "Sorry," the man replies, "he's
not for sale." The stranger increases the offer to $250,000.00 cash up
front. "No," he insists, "he's not for sale." The stranger again
increases the offer, this time to $500,000.00 cash. The man finally
agrees, and turns the frog over to the stranger in exchange for the
money.

"Are you insane?" the bartender demanded. "That frog could have been
worth millions to you, and you let him go for a mere $500,000!" "Don't
worry about it." the man answered. "The frog was really nothing special.
You see, the rat's a ventriloquist."