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 ...