Revelation 5:9-10

And they sing a new song, saying, Thou art worthy to receive the book, and to open its seals: because thou wast slain, and didst with thy blood redeem unto God out of every tribe, and tongue, and people, and nation;

Revelation 14:3

and they are singing a new song before the throne, and in presence of the four living creatures, and the elders. And no one was able to learn the song except the hundred and forty-four thousand, who have been redeemed from the earth.

Treasury of Scripture Knowledge

Summary

I will sing a new song unto thee, O God: upon a psaltery and an instrument of ten strings will I sing praises unto thee.

Bible References

Sing a new

Revelation 5:9
And they sing a new song, saying, Thou art worthy to receive the book, and to open its seals: because thou wast slain, and didst with thy blood redeem unto God out of every tribe, and tongue, and people, and nation;
Revelation 14:3
and they are singing a new song before the throne, and in presence of the four living creatures, and the elders. And no one was able to learn the song except the hundred and forty-four thousand, who have been redeemed from the earth.