translation.en: MR: We used "Mary Had a Little Lamb" because those are said to be the first words that Thomas Edison spoke into his phonograph in 1877.
translation.zh: 迈克尔·鲁宾斯坦：我们用儿歌“Mary Had a Little Lamb” 因为托马斯 爱迪生在1877年 第一次录制在留声机上的也是这首儿歌。