Berean Study Bible
Together with their relatives, who were all trained and skillful in the songs of the LORD, they numbered 288.

King James Bible
So the number of them, with their brethren that were instructed in the songs of the LORD, even all that were cunning, was two hundred fourscore and eight.

American Standard Version
And the number of them, with their brethren that were instructed in singing unto Jehovah, even all that were skilful, was two hundred fourscore and eight.

Darby Bible Translation
And the number of them, with their brethren that were instructed in the songs of Jehovah, all of them skilful, was two hundred and eighty-eight.

Douay-Rheims Bible
And the number of them with their brethren, that taught the song of the Lord, all the teachers, were two hundred and eighty-eight,

English Revised Version
And the number of them, with their brethren that were instructed in singing unto the LORD, even all that were skilful, was two hundred fourscore and eight.

Young's Literal Translation
And their number, with their brethren -- taught in the song of Jehovah, all who are intelligent -- is two hundred, eighty and eight.