1 Chronicles 25:7

7 Their number, together with their kinsmen who had been instructed in singing to ADONAI, was 288, all well trained.

1 Chronicles 25:7 Meaning and Commentary

1 Chronicles 25:7

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, and twelve in each class, twelve times twenty four makes two hundred and eighty eight.

1 Chronicles 25:7 In-Context

5 all these sons of Heman, the king's seer in matters pertaining to God, were there to exalt [God]. God gave Heman fourteen sons and three daughters.

6 They were all with their fathers Asaf, Y'dutun and Heman to sing with cymbals, lutes and lyres in the house of ADONAI, serving in the house of God under the direction of the king.

7 Their number, together with their kinsmen who had been instructed in singing to ADONAI, was 288, all well trained.

8 Whether great or small, teacher or talmid, they cast lots for their term of duty.

9 The first lot for Asaf fell to Yosef, the second to G'dalyah; he, his brothers and his sons numbered twelve;