Revelation 14:1-3

21st Century King James Version

14 And I looked and lo, a Lamb stood on Mount Zion, and with Him a hundred forty and four thousand, having His Father’s name written in their foreheads.

² And I heard a voice from Heaven as the voice of many waters, and as the voice of a great thunder, and I heard the voice of harpers harping with their harps.

³ And they sang, as it were, a new song before the throne, and before the four living beings and the elders; and no man could learn that song, except the hundred and forty and four thousand who were redeemed from the earth.