The first piece is "Mitsukoshi Shonen Music Corps" formed in 1909 (Meiji 42).
Boys are wearing quilts. Although it was the purpose of Mitsukoshi's propaganda, it seems that it produced not only that but also human resources to support the Japanese music scene later.
In 1911 (Meiji 43), the second "Shirakiya Girls Music Corps" was formed.
These will affect the formation of Takarazuka.

Source by 戦前~戦後のレトロ写真