1 Peter 3:18
For even Christ once suffered for sins, the just for the unjust, that he might bring us to God; being put to death, indeed, in the flesh, but made alive by the Spirit.
Revelation 5:9
And they sung a new song, saying, Worthy art thou to take the scroll, and to open the seals of it; for thou wast slain, and hast redeemed us to God by thy blood, out of every tribe, and language, and people, and nation;
Revelation 14:3
And they sang a new song before the throne, and before the four living creatures and the elders: and none could learn the song, unless the one hundred and forty-four thousand who are redeemed from the earth.