NASB 1995
You will have songs as in the night when you keep the festival, And gladness of heart as when one marches to the sound of the flute, To go to the mountain of the LORD, to the Rock of Israel.

American Standard Version
Ye shall have a song as in the night when a holy feast is kept; and gladness of heart, as when one goeth with a pipe to come unto the mountain of Jehovah, to the Rock of Israel.

Berean Study Bible
You will sing as on the night of a holy festival, and your heart will rejoice like one who walks to the music of a flute, going up to the mountain of the LORD, to the Rock of Israel.

Douay-Rheims Bible
You shall have a song as in the night of the sanctified solemnity, and joy of heart, as when one goeth with a pipe, to come into the mountain of the Lord, to the Mighty One of Israel.

English Revised Version
Ye shall have a song as in the night when a holy feast is kept; and gladness of heart, as when one goeth with a pipe to come into the mountain of the LORD, to the Rock of Israel.

King James Bible
Ye shall have a song, as in the night when a holy solemnity is kept; and gladness of heart, as when one goeth with a pipe to come into the mountain of the LORD, to the mighty One of Israel.

World English Bible
You will have a song, as in the night when a holy feast is kept; and gladness of heart, as when one goes with a flute to come to Yahweh's mountain, to Israel's Rock.

Young's Literal Translation
Singing is to you as in a night sanctified for a festival, And joy of heart as he who is going with a pipe, To go in to the mountain of Jehovah, Unto the rock of Israel.

Isaiah 30:29 Additional Translations ...