Sing, O heavens. — As in Isaiah 44:23, all nature is invited to join in the chorus of praise for the deliverance of Israel.
Related Commentaries of Isaiah 49:13
Isaiah 49:13
13 Sing, O heavens; and be joyful, O earth; and break forth into singing, O mountains: for the LORD hath comforted his people, and will have mercy upon his afflicted.