Viral videos are, well, everywhere these days. You hire a media company, they come up with a clever idea, upload it, and hope that it gets tagged on YouTube. Which is exactly what Vodaphone NZ did.

Vodafone NZ hired a production team to orchestrate cellphones into “playing” Tchaikovsky’s 1812 overture. The effort took 1000 phones and 53 different ringtone alerts, synchronized to recreate the famous classical piece.

Vodaphone NZ created a video of 1000 cell phones using 53 different ringtone alerts to perform Tchaikovsky's 1812 Overture for a promotion.