Happy Birthday to You: The story of the world's most popular song
Forever Ago
00:00
The Hell Sisters
The Mars Curiosity rover sang happy birthday to itself on the planet Mars. Happy birthday is the most famous song in the solar system. It took a pretty unique set of circumstances and some extraordinary people working really hard to write it. The hell sisters grew up in Kentucky, which was right on the border between the north and the south.
Transcript
Play full episode
