Unless you are an opra singer of the highest magnitude, is it really possible to break a wine glass with your voice? Irish mythology says a Banshee is a spirit who wails when someone is about to die. In 'X-Men', Banshee posesses a super sonic voice that can harm enemies. The kid in this video could be the closest thing to a real-life 'X-Men' Banshee. Watch as he breaks a wine glass with his voice. What's funny about this clip more than breaking the glass, is his reaction when the glass actually breaks. Good thing he caught it on video or nobody would believe him.