Colossians 3:16

Let the word of Christ dwell in you richly in all wisdom, teaching and admonishing one another in psalms, and hymns, and spiritual songs, singing with grace in your heart unto the Lord.

1 Corinthians 14:14-15

For if I pray in an unknown tongue, my Spirit prayeth, but my understanding is unfruitful.

Revelation 11:15

And the seventh angel sounded, and there were great voices in heaven, saying, The kingdom of the world is become the kingdom of our Lord and of his Christ, and he shall reign for ever and ever.

Treasury of Scripture Knowledge

Summary

For God is the King of all the earth: sing ye praises with understanding.

Bible References

King

Revelation 11:15
And the seventh angel sounded, and there were great voices in heaven, saying, The kingdom of the world is become the kingdom of our Lord and of his Christ, and he shall reign for ever and ever.