2 Chronicles 5:11-13

¹¹When the priests came out from the holy place (for all the priests who were present had sanctified themselves, without regard to divisions), ¹²and all the Levitical singers, Asaph, Heman, Jeduthun, and their sons and kinsmen, clothed in fine linen, with cymbals, harps, and lyres, standing east of the altar, and with them 120 priests blowing trumpets ¹³in unison when the trumpeters and the singers were to make themselves heard with one voice to praise and to glorify the Lord, and when they raised their voices accompanied by trumpets, cymbals, and other musical instruments, and when they praised the Lord saying, “He indeed is good for His kindness is everlasting,” then the house, the house of the Lord, was filled with a cloud,