1 Chronicles 25:7

King James 3 - The Literal Traslation

So was their number, with their brothers who were instructed in singing to Jehovah, all that were discerning: two hundred, eighty-eight.

Cross References

1 Chronicles 16:42

and with them Heman and Jeduthun with trumpets and cymbals for those making a sound, and instruments of the song of God; and the sons of Jeduthun were at the gate.

1 Chronicles 23:5

and four thousand were gatekeepers, and four thousand giving praise to Jehovah with instruments which I made, said David, for praising.

2 Chronicles 34:12

And the men were working faithfully in the work. And over them were appointed Jahath and Obadiah, the Levites, of the sons of Merari, and Zechariah, and Meshullam, of the sons of the Kohathites to oversee; and of the Levites all who were skilled in musical instruments;