Singing and dancing as part of the Cossack system aren’t just good physical exercise, cultural enrichment, and community-building. They’re seriously good for your health as well.
This is a story from the Transition Network about one group’s observed benefits from singing: Can Singing Change Your Life? It’s anecdotal, but it gives links to more serious scientific research showing benefits of singing. (Research into singing on the NHS evidence database)
The great thing about the Cossack system is that it integrates all of this with the martial aspects. They’re all one thing, inseparable.