'Commandment' in the Bible

For there was a commandment from the king concerning them, and a settled provision for the singers, as every day required.

And the chiefs of the Levites: Hashabiah, Sherebiah, and Jeshua the son of Kadmiel, with their brethren over against them, to praise and give thanks, according to the commandment of David the man of God, watch next to watch.

And they kept the charge of their God, and the charge of the purification, and'so did the singers and the porters, according to the commandment of David, and of Solomon his son.

had prepared for him a great chamber, where aforetime they laid the meal-offerings, the frankincense, and the vessels, and the tithes of the grain, the new wine, and the oil, which were given by commandment to the Levites, and the singers, and the porters; and the heave-offerings for the priests.