Butoh, the dance of Darkness, a primal Japanese art form

The video tutorial delves into an art form that emerged from the chaos of World War Two. It highlights the intense nature of performances, which are not for the faint of heart, and aims to unlock the primal spirit within the audience.

In what way does the text suggest that the art form is connected to chaos?

What does the phrase 'primal spirit' refer to in the context of the performances?