13, 14.
The blood must be sprinkled, the conscience must be purged, then begins the service of the living God; all works before that are dead, works of no avail, utterly worthless and good for nothing, in the Master's estimation.
When all was ready and the purification was complete, the great company of the musicians met in the temple courts.

The blast of the priests' trumpets was heard on one side, and on the other the sweet melodious songs of the white-robed minstrels.
When all were in order they marched to the Valley Gate, on the western side of the city.

Here Nehemiah divided them into two companies, in order that they might make the circuit of the city, walking in gay procession on the top of the new walls.

One company was to go north and the other south, walking round the city until they met on the other side; whilst all the people stood below, watching the progress of the two processions, each of which was formed of singers, nobles and priests, who were dressed in white and flowing robes.
It must have been a grand and imposing sight, as the bright Eastern sun streamed on the dazzling white of their fine linen, and made their instruments glitter and shine.

Then there was the sound of glorious music, which seemed to encircle the city in a wave of rejoicing and song.