The Psalter is used by CERC, PRCA and other churches. The songs are a versification of the Psalms.
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James 5:13 - "Is any among you afflicted? let him pray. Is any merry? let him sing psalms."
Ephesians 5:19-20 - "Speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord; Giving thanks always for all things unto God and the Father in the name of our Lord Jesus Christ;"