Paul seems to think singing is an excellent way of practicing and truly nurturing the Christian faith. His thought is that the life, death, resurrection and reign of Christ are the songs in the heart of those who are enlightened.
Paul says he would inherit the entire world, not merely a little plot of land between Egypt and Syria. This is what God is after in the Messiah: All people and the entire Earth.
The main point Paul has been getting at in Romans is what God has done in the One man Jesus the Messiah—the rightful heir of God’s earthly kingdom—is far, far more than simply putting the human race back where it was before the intrusion of sin.
The coming of Jesus the Son was the fulfillment of all the Old Testament promises and prophesies, types and covenants. His resurrection and, as Peter asserts here, His transfiguration proved it.
It is time to move on from the basics, says the Apostle. It is time to sink your teeth into some theological meat and understand He is working in those baptized into Christ.
This passage, above all others, speaks most fully about Jesus as the elder brother, the firstborn, of a large family; the family of God the Father, Creator of humankind.
The Church becomes anti-church when the new world order Christ inaugurated by eliminating demographic division through the commonality of Baptism is exploded by allegiance to cults of personality.