parades a year, like this one in june, 2019. here they are practicing for a st. patrick's day parade, and here they are showing off their holiday moves at a christmas parade two years ago. ♪ >> reporter: the grannies are anywhere from their 50s to their mid-70s according to their website. the only requirement for membership is to be a granny, and they say among them they have approximately 100 grandchildren, and even some great grandchildren. they practice together once a week, and while they love the camaraderie, they say the smiles they see while performing is the reason why they do what they do. the milwaukee dancing grannies say those who died were extremely passionate, whose eyes gleamed with the joy of being a granny. gary tuchman, cnn atlanta. >> such a loss. the news continues so let's hand it over to chris for "cuomo