Ezra
1 Chronicles 25:7ESV·traditional attribution

The number of them along with their brothers, who were trained in singing to the LORD, all who were skillful, was 288.

Matthew Henry Presbyterian @wholebiblehenry

Observe, I. Singing the praises of God is here called prophesying (Ch1 25:1-3), not that all those who were employed in this service were honoured with the visions of God, or could foretel things to come. Heman indeed is said to be the king's seer in the words of God (Ch1 25:5); but the psalms they sang were composed by the prophets, and many of...

Commenting on 1 Chronicles 25:1-7

John Gill Reformed Baptist @doctorgill

So the number of them, with their brethren,.... Who each of them had twelve with them, as after reckoned: that were instructed in the songs of the Lord; taught how to sing them: even all that were cunning; expert and well skilled in the science of singing: was two hundred and eighty eight; for there being twenty four classes answerable to those of the priests...

Adam Clarke Methodist @methodicalclarke

Two hundred fourscore and eight - That it twelve classes of twenty-four Levites each; for two hundred and eighty-eight divided by twelve quotes twenty-four.