Isaiah 30:29-31

New Revised Standard Version, Anglicised

²⁹ You shall have a song as in the night when a holy festival is kept; and gladness of heart, as when one sets out to the sound of the flute to go to the mountain of the Lord, to the Rock of Israel. ³⁰ And the Lord will cause his majestic voice to be heard and the descending blow of his arm to be seen, in furious anger and a flame of devouring fire, with a cloudburst and tempest and hailstones. ³¹ The Assyrian will be terror-stricken at the voice of the Lord, when he strikes with his rod.