They raise their voices, they shout for joy; from the west they proclaim the majesty of the LORD.
14. They shall lift up their voice. He follows out and increases the consolations which he had briefly sketched; for, having formerly (Isaiah 10:19-22) said that, out of that vast multitude, a few drops would be left, which would nevertheless overflow the whole world, in like manner he now says, that the small number of the godly, which shall be left out of an abundant...
Here is mercy remembered in the midst of wrath. In Judah and Jerusalem, and the neighbouring countries, when they are overrun by the enemy, Sennacherib or Nebuchadnezzar, there shall be a remnant preserved from the general ruin, and it shall be a devout and pious remnant. And this method God usually observes when his judgments are abroad; he does not make a full end, Isa 6:13.
Commenting on Isaiah 24:13-15
They shall lift up their voice, they shall sing,.... That is, as the Septuagint version adds, "they that are left upon the earth;'' these shall lift up their voice, in singing the praises of God, for his judgments on Babylon, and avenging the blood of his saints; and for their deliverance and salvation, and the inestimable blessings they are now put into the possession of...