And they [i.e., the 144,000] were singing a new song in front of God's throne, and in front of the four living beings and the [twenty-four] elders. No one could learn [to sing] this song except the one hundred and forty-four thousand [See 7:4,9] who had been purchased from the earth.

Now it was almost time for the Jewish Festival of Tabernacles [Note: This was also called "Festival of Shelters," and was one of three principal, annual Jewish festivals and commemorated the occasion of the Israelites living in tents or shelters during their forty year wandering in the desert].

"Then after [another] forty years passed, an angel appeared to him [one day] out of a flaming bush in the wilderness near Mt. Sinai.

Then I heard the number of those who were sealed. [It was] one hundred forty-four thousand [in all] from every tribe of the Israelites [Note: This could refer to Christians of Jewish descent].

And I looked, and there in front of me was the Lamb, standing on Mount Zion, and with him were one hundred and forty-four thousand persons, with the Lamb's name and His Father's name written on their foreheads.