Instruction
Ephesians 5:15-16, 19 KJV - "15 See then that ye walk circumspectly, not as fools, but as wise, 16 Redeeming the time, because the days are evil. ... 19 Speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord;"
Prophetic
Psalm 127:5 KJV — "Happy is the man that hath his quiver full of them: they shall not be ashamed, but they shall speak with the enemies in the gate."