Singing with Power

"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 L-RD: and when they lifted up their voice with the trumpets and cymbals and instruments of musick, and praised the L-RD 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 L-RD;" IIChronicles5:13