From a recent Dallas-Los Angeles Major League Soccer match.
Look, we know she's 11, and we also know that people who pick on children online are contemptible bullies with major insecurities about their sexual organs, etc. etc. But a performance this egregious can be a learning opportunity not only for whoever billed her to open the game, but also for her, that she's not (and shouldn't want to be) Christina Aguilera.
All you need to make a beat is bang two sticks together. A child could do it (confidential to percussionists: we're not really serious. Please don't sue for libel). YouTube performers Wax and Herbal T took this idea to its logical conclusion and made a rap song using sounds from Herbal T's toddler son's playground session.