Music goes well with almost every Instagram story, but adding a particular song or soundtrack isn't the most obvious task if you've never tried before or haven't done so in a long time. Instagram Stories has supported embedded music since 2018, but some things have changed over the years. For one, you used to be able to choose a song from Instagram's music database before shooting a video with the Story camera. That way, you could react in the video to the music playing. Now, there are two of...