"Baby leaned back in her seat. The train seemed to be going faster, and from somewhere far away Baby heard music. It was a song that she knew but couldn't quite place. "Do you hear music?" she said to Sheila. "I hear something," said Sheila. She closed her eyes. She was quiet. "I've got a physics professor who says that the stars sing to each other all the time. Isn't that cool? Maybe the music we're hearing is the stars singing."