Ephesians 5:19
Speak to one another by using psalms, hymns and spiritual songs, singing and making music with your hearts to the Lord.
Colossians 3:16
You should let the message of Christ live in you abundantly [i.e., as individuals and collectively]. Use [much] wisdom in teaching and warning one another with psalms, hymns and spiritual songs, singing with favor [i.e., with thankfulness] in your hearts toward God.
Acts 16:25
But about midnight Paul and Silas were praying and singing hymns to God while the [other] prisoners listened.
1 Corinthians 14:26
So, what is the conclusion, brothers? When you people assemble together, each one of you has a psalm [to sing], or a lesson [to teach], or a [supernatural] revelation [to give], or a language [to speak supernaturally], or an interpretation [of that language]. Everything that is done should be for the building up [of the church].
James 5:13
Is there anyone among you who is suffering? [If so], he should pray. Is anyone happy? [Then] he should sing a psalm.
Matthew 15:8
These people [claim to] honor me with their lips [i.e., by what they say], but their heart is far from [honoring] me.
Matthew 26:30
And after they had sung a hymn, they went up to the Mount of Olives. [Note: This was a small hill just east of Jerusalem]
John 4:23-24
But the time will come, and is now [actually] here, when the true worshipers will worship the Father in spirit [i.e., from the heart] and truth [i.e., according to God's revealed will], for these are the people whom the Father seeks to be His worshipers.