'Psalms' in the Bible
Why, David himself says in the Book of Psalms, "'The Lord said to my Lord, Sit at My right hand
And He said to them, "This is what I told you while I was still with you--that everything must be fulfilled that is written in the Law of Moses and in the Prophets and the Psalms concerning me."
"For it is written in the Book of Psalms, "'Let his encampment be desolate: let there be no one to dwell there'; and "'His work let another take up.'
and that the Gentiles also have glorified God in acknowledgment of His mercy. So it is written, "For this reason I will praise Thee among the Gentiles, and sing psalms in honour of Thy name."
but drink deeply of God's Spirit. Speak to one another with psalms and hymns and spiritual songs. Sing and offer praise in your hearts to the Lord.
Let the teaching concerning Christ remain as a rich treasure in your hearts. In all wisdom teach and admonish one another with psalms, hymns, and spiritual songs, and sing with grace in your hearts to God.