1 Chronicles 9:26-33

26for these Levites, the four chief gatekeepers, had an official duty, and were in charge of the chambers and treasuries of the house of God.

27They spent the night around the house of God, for the [night] watch was theirs, and they were in charge of opening the house morning after morning.

28Now some of them were in charge of the serving utensils, being required to count them when they brought them in or took them out.

29Some of them also were appointed over the furniture and over all the [sacred] utensils of the sanctuary, as well as over the fine flour and the wine and the [olive] oil and the frankincense and the spices.

30Other sons of the priests prepared the mixture of spices.

31Mattithiah, one of the Levites, the firstborn of Shallum the Korahite, was responsible for the things baked in pans.

32Some of their Kohathite relatives were in charge of the showbread to prepare it every Sabbath.

33Now these are the singers, heads of the fathers’ households of the Levites, living in the temple chambers, free from other service because they were on duty day and night.