King James Version
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.New International Version
They performed the service of their God and the service of purification, as did also the singers and gatekeepers, according to the commands of David and his son Solomon.Catholic Public Domain Version
And they kept the vigil of their God, and the vigil of expiation, with the singing men and the gatekeepers, in accord with the precept of David, and of Solomon, his son