Revelation 14:2-4

Darby Translation

² And I heard a voice out of the heaven as a voice of many waters, and as a voice of great thunder. And the voice which I heard [was] as of harp-singers harping with their harps;

³ and they sing a new song before the throne, and before the four living creatures and the elders. And no one could learn that song save the hundred [and] forty-four thousand who were bought from the earth.

⁴ These are they who have not been defiled with women, for they are virgins: these are they who follow the Lamb wheresoever it goes. These have been bought from men [as] first-fruits to God and to the Lamb: