The Second World War brought a Japanese invasion of the Philippines. Recalls Su Zhiyang, executive committee member with the Kim Lan Musical Association: "Time passed in a blur, and you never knew whether you'd be alive or dead the next day. There was no work during the Japanese occupation, and instead people focused all their energies on the langjun societies."
二次大戰爆發，日軍登上菲律賓，「日子茫茫渺渺，也不知明日是生還是死，日據時代，大家都沒工作，反而專心投入郎君樂之中」，金蘭社決策委員蘇志祥表示。