Ephesians 5:19

wherein is excess; but be ye filled with the Spirit, Speaking to each other in psalms, and hymns, and spiritual songs, singing and making melody with your hearts unto the Lord;

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.

Acts 16:25

But at midnight Paul and Silas having prayed, sung an hymn to God: and the prisoners heard them.

1 Corinthians 14:26

What a thing is it, brethren, that when ye come together, every one of you hath a psalm, hath a doctrine, hath a tongue, hath a revelation, hath an interpretation?

James 5:13

Is any among you afflicted? let him pray. Is any chearful? let him sing psalms.

Matthew 15:8

This people draweth nigh to me with their mouth, and honoureth me with their lips; but their heart is far from me.

Matthew 26:30

And when they had sung the hymn, they went out into the mount of Olives.

John 4:23-24

But the hour cometh, and now is, when the true worshipers shall worship the Father in spirit and in truth; for the Father seeketh such worshipers.

Treasury of Scripture Knowledge

Summary

Speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord;

Bible References

To yourselves

Acts 16:25
But at midnight Paul and Silas having prayed, sung an hymn to God: and the prisoners heard them.
1 Corinthians 14:26
What a thing is it, brethren, that when ye come together, every one of you hath a psalm, hath a doctrine, hath a tongue, hath a revelation, hath an interpretation?
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.
James 5:13
Is any among you afflicted? let him pray. Is any chearful? let him sing psalms.

Making

Matthew 15:8
This people draweth nigh to me with their mouth, and honoureth me with their lips; but their heart is far from me.
John 4:23
But the hour cometh, and now is, when the true worshipers shall worship the Father in spirit and in truth; for the Father seeketh such worshipers.