Verse 7
For God is the King of all the earth - He is not your King only, but the King of the universe. He has no limited power, no confined dominion.
Sing ye praises with understanding - זמרו משכיל zammeru maskil, sing an instructive song. Let sense and sound go together. Let your hearts and heads go with your voices. Understand what you sing; and feel what you understand; and let the song be what will give instruction in righteousness to them that hear it. Sing wisely - Anglo-Saxon. Multitudes sing foolishly.