19 speaking to one another in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord, 20 giving thanks always for all things to God the Father in the name of our Lord Jesus Christ, 21 submitting to one another in the fear of God. (Ephesians 5:19–21, NKJV)
The apostle commands three actions of faith in our passage: 1) Singing, 2) Thanking, and 3) Submitting. The Lord arranged singing as a worshipful way to praise Him while also speaking to fellow worshipers (“teaching and admonishing one another,” Col. 3:16). Not only through song, but always and for all things, we give thanks to God the Father. Our full thanksgiving is due to Jesus Christ, our Lord and Savior, by faith in whom we are sons of God (Gal. 3:26-29). Just as children should be thankful to their parents, even so we give thanks to our Father. While worldly wisdom seeks to dominate others, we submit to one another in holy reverence. Humble, submissive service, not high-handedness, defines our relationship to our brothers and sisters in Christ. So, let us sing rich praises to the Lord, with thankfulness for everything, yielding ourselves to one another as we walk in godly fear. These are among the marks of faith that define the children of God.