" Amelia took Rick's dare and began signing:

Ay, ay, ay, ay!
Canta y no llores,
Porque cantando se alegran,
Cielito lindo, los corazones....

Rick leaned toward her and whispered, "Do you know what the message of that song is?"
She shook her head.
"Singing gladdens the hearts. "

― Linda Weaver Clarke , The Missing Heir (Amelia Moore Detective Series #3)