What's the first thing you should do before you go to the movies are partake in an event where the atomosphere is meant to be as close to silent as possible? Turn off or mute your cell phone so you're not "that person". Apparently, someone at this classical concert didn't get the memo.

The ringing doesn't hit until about the 40 second mark, but what's better than the interruption is how the perfomer handles it. See for yourself: