You know this actually makes sense, like imagine pearl is peridot and lapis is garnet in this situation. When lapis took the barn, peridot was heartbroken. Now she is singing this song, this is her first step to moving on from Lapis.
To be honest this video might be deleted soon, due to RU-vid idiocy, I am frustrated now, the only chance to not delete video is to get help from all my viewers, including you