The Filipinos sing that and other songs, in English and Spanish and Latin, all evening long. After they get their lungs unlimbered they sing astonishingly well, occasionally breaking into two- and three-part harmony. At first, Lieutenant Mori’s guards get itchy trigger fingers, thinking it’s some kind of a signal for a mass breakout. Goto Dengo doesn’t want to see his work cut short by a massacre, and so he explains to them that it is a religious thing, a peaceful celebration.