Revelation 19:1: “And after these things” [The prior visions/prophecies] “I” [John] “heard a great voice of much people in heaven, saying, Alleluia; Salvation, and glory, and honour, and power, unto the Lord our God:”
Revelation 19:2: “For true and righteous are his” [God’s] “judgments: for he hath judged the great whore,” [Babylon] “which did corrupt the earth with her fornication, and hath avenged the blood of his servants at her hand.”
Revelation 19:3: “And again they” [The people in heaven, see verse 1] “said, Alleluia. And her smoke rose up for ever and ever.”
Revelation 19:4: “And the four and twenty elders and the four beasts fell down and worshipped God that sat on the throne, saying, Amen; Alleluia.”
Revelation 19:5: “And a voice came out of the throne, saying, Praise our God, all ye his servants, and ye that fear him, both small and great.”