Revelation 15:2-3

2And I saw something like a sea of glass mixed with fire, and those who had overcome the beast and his image and the number of his name standing by the sea of glass, holding the harps of God.

3And they are singing the song of Moses the servant of God and the song of the Lamb, saying, “Great and wonderful are Your deeds, Adonai Elohei-Tzva’ot! Just and true are Your ways, O King of the nations!