A guy walks into a bar and orders a beer. "Listen" he says to the bartender." If i show you the most amazing thing you've ever seen, will my beer be free"?" We'll see " says the bartender.So the guy pulls out a hamster and a tiny piano out of his bag, puts them on the bar and the hamster begins to play the piano. "impressive"says the bartender" but i'll need to see more". "Hold on " says the man. He then pulls a frog out of the bag and it sings "old man river". A patron jumps up from his table and says "that's incredible". " I'll give you a hundred dollars for that frog."Sold" says the man". The patron takes the frog and leaves. "It's none of my business" says the bartender, but you just gave away a fortune". "Not really" says the guy. " The hamster is also a ventriloquist.". Where's my free beer?