The Apostle Paul
Ephesians 5:19ESV·traditional attribution

addressing one another in psalms and hymns and spiritual songs, singing and making melody to the Lord with your heart,

John Calvin Reformed @genevareformer

19. To psalms, and hymns, and spiritual songs. These are truly pleasant and delightful fruits. The Spirit means “joy in the Holy Ghost,” (Romans 14:17;) and the exhortation, be ye filled, (ver. 18,) alludes to deep drinking, with which it is indirectly contrasted. Speaking to themselves, is speaking among themselves.

Matthew Henry Presbyterian @wholebiblehenry

These verses contain a caution against all manner of uncleanness, with proper remedies and arguments proposed: some further cautions are added, and other duties recommended. Filthy lusts must be suppressed, in order to the supporting of holy love. Walk in love, and shun fornication and all uncleanness. Fornication is folly committed between unmarried persons. All uncleanness includes all other sorts of filthy lusts, which were too common among the Gentiles.

Commenting on Ephesians 5:3-20

John Gill Reformed Baptist @doctorgill

Submitting yourselves one to another,.... Which may be understood either in a political sense, of giving honour, obedience, and tribute, to civil magistrates, since they are set up by God for the good of men, and it is for the credit of religion for the saints to submit to them; or in an economical sense; thus the wife should be subject to the husband, children...