King James Version
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.English Standard Version
You shall have a song as in the night when a holy feast 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.New International Version
And you will sing as on the night you celebrate a holy festival; your hearts will rejoice as when people go up with flutes to the mountain of the LORD, to the Rock of Israel.