New American Standard Bible For they performed the worship of their God and the service of purification, together with the singers and the gatekeepers in accordance with the command of David and of his son Solomon.
King James Bible And both the singers and the porters kept the ward of their God, and the ward of the purification, according to the commandment of David, and of Solomon his son.
Holman Christian Standard Bible They performed the service of their God and the service of purification, along with the singers and gatekeepers, as David and his son Solomon had prescribed.