Customers and staff in these establishments were treated to some unexpected live entertainment. One Walmart shopper’s patriotic performance started when a friend dared him to sing the National Anthem in the middle of a Missouri store. A boy’s yodeling performance of a 1949 Hank Williams song in an Illinois Walmart got him his own concert. A Home Depot greeter in Florida takes his job to a whole new level. Inside Edition Digital’s Mara Montalbano has more.