N'afọ 1939, D'Oyly Carte gbara alụkwaghịm nwa oge n'ihi ntiwapụ nke Agha Ụwa nke Abụọ. Green gara n'ihu na-eme ihe nkiri na ụlọ ọrụ ndị ọzọ, gụnyere nke Charles B. Cochran maka'Lights Up'na Savoy Theatre.
N'ezie, ụdị nkebi ahịrịokwu ahụ dị mgbagwoju anya bụ "N'afọ 1939, D'Oyly Carte gbasasịrị nwa oge n'ihi ntiwapụ nke Agha Worldwa nke Abụọ. Green gara n'ihu na-arụ ọrụ na ụlọ ọrụ ndị ọzọ wee sonye na Royal Air Force, nke ọ rụrụ ọrụ dịka onye nkuzi na onye nchịkwa site na 1941 ruo 1945. "