There’s a growing genre of music videos on YouTube (especially) and elsewhere, “chill-out music”, “background music”, but don’t dare call it “elevator music”. Some of these videos describe themselves as perfect for students doing homework, for example. Others target other groups of users. When people build these music videos and post them on YouTube, they simply make a video of an animated drawing (usually, a GIF) or other short video which sits there repeating every few seconds with the music playing in the background. The growing popularity of these... [...]