The songwriting trio of Kacey Musgraves, Brandy Clark and Shane McAnally have worked their magic again. The masterminds of Musgraves’ CMA award-winning, boundary-breaking “Follow Your Arrow” have penned another song about living your own life without worrying about how others live theirs, but this new one is a bit more of a lecture: “Mind your own biscuits, and life will be gravy,” “Biscuits is the first single from her upcoming album.