https://youtu.be/K28m8d65hvE
https://youtu.be/o-UKW4N0Egs
https://youtu.be/a-LYN8D6upI
https://youtu.be/KBQg_p5pNCg
The "Coventry Carol" is actually about the Slaughter of the Innocents:
https://youtu.be/QIvH5GdY4JE
Thank you. :) :D I didn't know that.