3 and sang the song of God’s servant Moses and of the Lamb: “Great and marvelous are your deeds, Lord God Almighty. Just and true are your ways, King of the nations.a

Read Revelation 15:3 Using Other Translations

And they sing the song of Moses the servant of God, and the song of the Lamb, saying, Great and marvellous are thy works, Lord God Almighty; just and true are thy ways, thou King of saints.
And they sing the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and amazing are your deeds, O Lord God the Almighty! Just and true are your ways, O King of the nations!
And they were singing the song of Moses, the servant of God, and the song of the Lamb: “Great and marvelous are your works, O Lord God, the Almighty. Just and true are your ways, O King of the nations.