Zhao Yazhi Square Dance "Ode to the Motherland" why there is no movement decomposition

The Zhao Yazhi Square Dance "Ode to the Motherland" only has a group front demo and a front and back demo video of Ms. Zhao herself, but no movement breakdown. It should not have been filmed or uploaded.

This is the Zhao Yazhi Square Dance "Ode to the Motherland" (original, with back demo) video URL: /v/6366.html