'Multitude' in the Bible

After this I seemed to hear the far-echoing voices of a great multitude in Heaven, who said, "Hallelujah! The salvation and the glory and the power belong to our God.

And I seemed to hear the voices of a great multitude and the sound of many waters and of loud peals of thunder, which said, "Hallelujah! Because the Lord our God, the Ruler of all, has become King.