Numbers 10:6

Bible in Basic English 1965

At the sound of a second loud note, the tents on the south side are to go forward: the loud note will be the sign to go forward.

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Then the flag of the children of Reuben went forward with their armies: and at the head of his army was Elizur, the son of Shedeur.

But when all the people are to come together, the horn is to be sounded but not loudly.