"Then sang Moses and the children of Israel this song unto the Lord, saying, I will sing unto the Lord, for he hath triumphed gloriously." [4]
That was from the men. And answering them came the softer voices of
Miriam and "all the women," cheering them on:
"Sing ye to the Lord, for he hath triumphed gloriously." [5]
This was no written music they had met to practise; it was fresh out of their hearts; with all their enemies "dead upon the shore," and Israel free.
Or listen to the chorus of women that "came out of all the cities of Israel" to meet the army, when David had conquered the Philistine in single-handed fight.
"And the women answered one another as they played, and said,
"Saul hath slain his thousands"—
"And David his ten thousands"—
You perceive that they understood music in those days; every word in the great swell of song so distinct, that Saul heard every word—and "was very wroth."
So "at the dedication of the wall of Jerusalem" (think of dedicating a city wall! how they must have believed Ps. 127) the dedication was kept