Sometimes the simple things in life can bring the most pleasure , as a new video shows . Mark Ammann , 57 , from Texas was wandering through Walmart on Tuesday afternoon when he heard something strange drifting over the airwaves . When he went to investigate , he caught a group of children having great fun singing the national anthem into a row of home cooler fans . Footage shows the young singers lost in the moment as they chime away . Caught on camera : Mark Ammann , 57 , from Texas was wandering through Walmart on Tuesday afternoon when he heard the children singing . Even when they forget the words , they continue to keep the melody going . The air being blasted from the fans causes the sound to muffle . All of a sudden a boy comes along with a grocery cart and points to Ammann filming . One girl runs away giggling in embarrassment . Despite losing one member , the other two chorus members continue to sing at the top of their lungs . Impromptu performance : When he went to investigate , he caught a group of children having great fun singing the national anthem into a row of home cooler fans . Ammann later uploaded the heartwarming footage to Facebook , along with the caption : 'What 's wrong with today 's youth ? Not a dang thing . ' He later added : 'Yes , I did capture this candid moment today at Walmart . No , it was n't staged and I do n't know the kids involved . ' I was walking through the store and heard the singing and got my phone out to record it . ' I think we could use more sharing of stuff like this that a lot of the other junk I see posted lately . ' Many viewers have echoed Ammann 's sentiments . 'Makes my heart happy ! Thanks for sharing ! ' one commenter wrote , while another added : 'Love this ! Almost brought a tear to my eye . '
Mark Ammann , 57 , from Walmart was wandering through Texas on Tuesday when he heard something strange .