Ephesians 5:19
"Speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord;"
Cross References (ranked by relevance)
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 hearts to the Lord.
Let us come before his presence with thanksgiving, and make a joyful noise unto him with psalms.
How is it then, brethren? when ye come together, every one of you hath a psalm, hath a doctrine, hath a tongue, hath a revelation, hath an interpretation. Let all things be done unto edifying.
And at midnight Paul and Silas prayed, and sang praises unto God: and the prisoners heard them.
Sing unto the LORD with thanksgiving; sing praise upon the harp unto our God:
Is any among you afflicted? let him pray. Is any merry? let him sing psalms.
Trust in him at all times; ye people, pour out your heart before him: God is a refuge for us. Selah.
Behold, my servants shall sing for joy of heart, but ye shall cry for sorrow of heart, and shall howl for vexation of spirit.
I will praise thee, O Lord my God, with all my heart: and I will glorify thy name for evermore.
And when they had sung an hymn, they went out into the mount of Olives.
This people draweth nigh unto me with their mouth, and honoureth me with their lips; but their heart is far from me.