Esias 12:5

5 Sing praise to the name of the Lord; for he has done great : declare this in all the earth.

Esias 12:5 In-Context

3 Draw ye therefore water with joy out of the wells of salvation.
4 And in that day thou shalt say, sing to the Lord, call aloud upon his name, proclaim his glorious among the Gentiles; make mention that his name is exalted.
5 Sing praise to the name of the Lord; for he has done great : declare this in all the earth.
6 Exalt and rejoice, ye that dwell in Sion: for the Holy One of Israel is exalted in the midst of her.

The Brenton translation of the Septuagint is in the public domain.