The Billion View Club: YouTube’s 10 Most Watched Videos and you guessed it: they’re all music videos https://www.rollingstone.com/music/lists/the-billion-view-club-youtubes-10-most-watched-videos-20151013/psy-gangnam-style-20151013 You can argue if this is the best of what the world of music has to offer, but there’s no question that music is YouTube’s bread and butter.