Cup Accompaniment News Today

2009 when this british act did a version adding something new, a rhythmic cup accompaniment. actress anna kedrick caught wind of this and performed in last years hit movie "pitch perfect." >> people started doing their own version. what started with tween girls, moved to babies. >> watch this. >> reporter: grandparents. even entire families around the kitchen table. so we decided to try an experiment, we took six tweens and matched them up with a skeptical middle-aged news anchor. >> got to teac...