Red-faced Dalton is a line from the Peking Opera "Rap Face".

"Rap Mask" is an opera song that combines Peking Opera and pop music. It draws on the singing and melody of Peking Opera, in which the red face represents loyalty and bloodiness, like a character like Guan Yu. The main idea of ??the lyrics is to describe Dalton's heroic fighting on the battlefield, showing his loyalty and bloodiness.

If you need more information, you can read books about Chinese opera or consult professionals.