"Tis a morn of great beauty. The sparrows doth sing, the flow'rs are in bloom full. On days such as this, children such as thyself...shall be cosigned to damnation"
I was the DM and the BBEG of this particular adventure was an undead Bard who, along with his undead band, sought to regain their souls by sacrificing an orphanage.
When the party cornered the BBEG and his goons, the BBEG began to play a song.