12Also the Levites who were the singers, all of them being Asaph, Heman, and Jeduthun, with their sons and their brethren, arrayed in white linen, having cymbals and lyres and harps, stood at the east end of the altar, and with them one hundred and twenty priests sounding with trumpets:
13It happened, when the trumpeters and singers were as one, to make one sound to be heard in praising and thanking the LORD; when they lifted up their voice with the trumpets and cymbals and instruments of music, and praised the LORD, saying, For he is good; for his mercy endures forever: that the house was filled with a cloud, the house of the LORD;