Then I saw the Lamb standing on Mount Zion, and with him were 144,000 who had his name and his Father's name written on their foreheads.
And I heard a sound from heaven like the roaring of a great waterfall or the rolling of mighty thunder. It was like the sound of many harpists playing together.
This great choir sang a wonderful new song in front of the throne of God and before the four living beings and the twenty-four elders. And no one could learn this song except those 144,000 who had been redeemed from the earth.
For they are spiritually undefiled, pure as virgins, following the Lamb wherever he goes. They have been purchased from among the people on the earth as a special offering to God and to the Lamb.
References for Revelation 14:4
No falsehood can be charged against them; they are blameless.
And I saw another angel flying through the heavens, carrying the everlasting Good News to preach to the people who belong to this world -- to every nation, tribe, language, and people.
"Fear God," he shouted. "Give glory to him. For the time has come when he will sit as judge. Worship him who made heaven and earth, the sea, and all the springs of water."
Then another angel followed him through the skies, shouting, "Babylon is fallen -- that great city is fallen -- because she seduced the nations of the world and made them drink the wine of her passionate immorality."
Then a third angel followed them, shouting, "Anyone who worships the beast and his statue or who accepts his mark on the forehead or the hand
must drink the wine of God's wrath. It is poured out undiluted into God's cup of wrath. And they will be tormented with fire and burning sulfur in the presence of the holy angels and the Lamb.