2 Chronicles 5:13-14

it came even to pass, as the trumpeters and singers were as one, to make one sound to be heard in praising and thanking the LORD; and when they lifted up their voice with the trumpets and cymbals and instruments of musick, and praised the LORD, saying, For he is good; for his mercy endureth for ever: that then the house was filled with a cloud, even the house of the LORD; so that the priests could not stand to minister by reason of the cloud: for the glory of the LORD had filled the house of God.