We've featured technology playing pop hits here on HuffPost Tech before. But nothing quite as catchy as this has ever come across our screens.
Nothing as catchy and, we have to admit, sweet.
This video features 30 years of mobile phones working together to produce a single orchestral masterpiece. It's the equivalent of The Beatles and Radiohead and Elvis playing a show with Lady Gaga. Except they're not pop bands, they're phones. Playing music. But not music by pop bands.
Just watch the video - skip ahead a minute or so to get to the good stuff.