all the Levite singers—Asaph, Heman, Jeduthun, their sons and their relatives—dressed in fine linen with cymbals, harps and lyres, were standing at the east end of the altar and with them were 120 kohanim blowing trumpets.
“While I was watching, thrones were set up, and the Ancient of Days took his seat. His garment was as white as snow, and the hair of His head like pure wool. His throne was ablaze with flames, its wheels a burning fire.
Then he said to me, “These are the ones coming out of the great tribulation. They have washed their robes and made them white in the blood of the Lamb.