1 Chronicles 25:6-8

Good News Translation

⁶ All of his sons played cymbals and harps under their father's direction, to accompany the Temple worship. And Asaph, Jeduthun, and Heman were under orders from the king.

⁷ All these twenty-four men were experts; and their fellow Levites were trained musicians. There were 288 men in all.

⁸ To determine the assignment of duties they all drew lots, whether they were young or old, experts or beginners.