If you haven’t been on hold with some business or another so far this year, don’t worry: it’ll happen. And when it happens, you might ask yourself, “Why is hold music the way it is?” Alexia Kontolemos has you covered with an informative article for Mental Floss. My main improvement would be the elimination of ads, but I know that won’t happen. And if you want to know more about the grandfather of background music, Muzak, Mental Floss gives you insight there as well.