Kim sits down with her brother Will Merchant to discuss the "Dies Irae", a Gregorian chant that now runs rampant through media and musicals alike.

Theme music produced by Will Merchant

Excerpts from:

- 'Dies Irae' from Requiem Canticles performed by Orchestre de la Suisse Romande

- 'Dies Irae' performed by Alessio Randon

- Excerpts from Sweeney Todd from the Original Broadway Cast recording

- 'Making Christmas' from the movie The Nightmare Before Christmas

- The Lion King (1994) hyenas chasing Samba soundtrack

- 'Burning Homestead' from Star Wars: A New Hope

- Excerpts from The Phantom of the Opera's 25th Anniversary Production featuring Sierra Bogess and Ramin Karimloo

- Excerpts from Les Miserables featuring Joe Jonas, Earl Carpenter, and the 25th Anniversary cast

- 'Bring Him Home' from Les Miserables featuring Colm Wilkinson

- 'The Doomsday Machine' from Star Trek: The Original Series