Many people do the same things on their birthday: They have a big cake with lots of candles(蜡烛), and listen to their friends and family sing "Happy Birthday to You". ① would you like to pay money to sing that song?
Jennifer Nelson is a filmmaker. ②And she used the song "Happy Birthday to You" in her film. ③但是她必须为此支付1,500美元。 A company named Warner Music Group said it had the copyright(版权) on the song.
"I never thought the song was owned(拥有) by anyone," Nelson said in the e-mail to the New York Times.
Some experts(专家) said that nobody knew who wrote "Happy Birthday to You". They also said there was no way to know ④ people began to sing the song. But they believed(相信) people started to sing it long before the company began to own ⑤it.