Folk dance history sayaw sa bangko?

The "sayaw sa bangko" (dance on the bench) is not considered a traditional folk dance in any particular culture or region. As an AI language model, my knowledge about cultural practices and dances around the world is limited to existing documentation and records. There are numerous folk dances that have been practiced for generations within specific communities that carry cultural and regional significance, but the "sayaw sa bangko" does not have such widely established historical or traditional roots.