Four aspects of church music

Ephesians 5:19 speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord;

1. “speaking to yourselves” The “congregational” aspect of Christian singing.
2. “in psalms and hymns and spiritual songs” The “biblical” aspect of Christian singing.
3. “singing and making melody in your heart” The “internal” aspect of Christian singing.
4. “singing and making melody … to the Lord” The “vertical” aspect of Christian singing.