2 Chronicles 5:10-12

Young's Literal Translation

¹⁰ There is nothing in the ark but the two tables that Moses gave in Horeb, where Jehovah covenanted with the sons of Israel, in their going out from Egypt.

¹¹ And it cometh to pass, in the going out of the priests from the sanctuary -- for all the priests who are present have sanctified themselves, there is none to watch by courses,

¹² and the Levites, the singers, to all of them, to Asaph, to Heman, to Jeduthun, and to their sons, and to their brethren, clothed in white linen, with cymbals, and with psalteries, and harps, are standing on the east of the altar, and with them priests, to a hundred and twenty, blowing with trumpets --