Facebook’s new update lets users include music in their posts, adding sound to the Facebook feed experience. Facebook has introduced a new feature that allows users to add music to their text posts. This recent update aims to make posts more expressive and engaging by letting users add a soundtrack to their timeline posts and updates. When you create a text update, you can now attach a song that will play automatically for people who have sound enabled while scrolling through their feed. Fortunately, the audio respects your existing settings, so it won’t override other sounds if you have them…