Revelation 19:3-7
[3] Once more they cried out, “Hallelujah! The smoke from her goes up forever and ever.”
[4] And the twenty-four elders and the four living creatures fell down and worshiped God who was seated on the throne, saying, “Amen. Hallelujah!”
[5] And from the throne came a voice saying, “Praise our God, all you his servants, you who fear him, small and great.” The Marriage Supper of the Lamb
[6] Then I heard what seemed to be the voice of a great multitude, like the roar of many waters and like the sound of mighty peals of thunder, crying out, “Hallelujah! For the Lord our God the Almighty reigns.
[7] Let us rejoice and exult and give him the glory, for the marriage of the Lamb has come, and his Bride has made herself ready;
The above verses give an insight on the voice of God and the voice of the hosts of heaven.