man they have to have some stamina...add in the act of going in a circle while moving around (at a damn good pace), not banging into others, keeping the beat. Add in the clothes from the time...those cats with matching outfits from certain Polka Groups....sometimes I see a guy dancing with a crown on his head...the Polka King I assume.....just makes me smile, laugh....like you stated and so does Polka Joe...".a song in your heart and a smile on your face"....