John Trapp on Isaiah 44:23-24

Ver. 23. Sing O ye heavens, for the Lord hath done it] It is uſual both with the Prophets and the Apoſtles, when they mention the great work of mans Redemption (typified by that famous deliverance from Babylon) to break forth into praiſe and thankſgiving to God, the ſole Authour thereof. See Pſal. 68, 89, 93, 95, 96, 97, 98, 99, 100. Iſa. 12.25, 26. Rom. 7.24, 25. 1 Cor. 15.56, 57. 1 Tim. 1.17. Rev. 5.11, 12. Here is hinted, that ſo very great is the benefit of our Redemption, that it might well affect Heaven and Earth, and all things, high and low.

Ver, 24. Thus ſaith the Lord thy Redeemer] All this God had ſaid oft before; ſee chap. 42.5. but, for the further confirmation of ſome who were unſettled by the contrary predictions of ſome vain diviners and wizzards, he ſaith it over again.