We often find kids at Walmart doing things that range from mundane to crazy stuff while their parents are busy shopping. A group of kids at Walmart were found singing the ‘Star Spangled Banner’ at the top of their voices. Mark Ammann, the YouTuber saw two standing in front of a shelf of fans while they sing the national anthem. The kids are joined by another kid who starts to sing as well till a fourth kid goes over to them and tells them that they are being filmed. Watch the amazing video which has gone viral but don’t forget to share it with friends and family on Facebook, Twitter and other leading social media websites.