She exclaimed, "That's terrible! What the hell happened!?"
He explained, "He told me that he's gifted, he could sing almost every song that has ever existed. And I didn't believe him."
She said, "Me neither!"
He continues, "So he bet me 500 dollars that he could sing a genuine song with a lady's name of my choice in it. So I said Joanna Moss, your name."
"Then?" she asked.
"Then he sang: 'Happy birthday to you, happy birthday to you, happy birthday to Joanna Moss...'."