Judges 7:8

So they took the vessels of the people, and their horns from their hands, and he sent them away, every man to his tent, keeping only the three hundred; and the tents of Midian were lower down in the valley.

Leviticus 23:24

Say to the children of Israel, In the seventh month, on the first day of the month, let there be a special day of rest for you, a day of memory, marked by the blowing of horns, a meeting for worship.

Leviticus 25:9

Then let the loud horn be sounded far and wide on the tenth day of the seventh month; on the day of taking away sin let the horn be sounded through all your land.

Numbers 10:9

And if you go to war in your land against any who do you wrong, then let the loud note of the horn be sounded; and the Lord your God will keep you in mind and give you salvation from those who are against you.

Joshua 6:4

And let seven priests go before the ark with seven loud-sounding horns in their hands: on the seventh day you are to go round the town seven times, the priests blowing their horns.

Joshua 6:20

So the people gave a loud cry, and the horns were sounded; and on hearing the horns the people gave a loud cry, and the wall came down flat, so that the people went up into the town, every man going straight before him, and they took the town.

Judges 3:27

And when he came there, he had a horn sounded in the hill-country of Ephraim, and all the children of Israel went down with him from the hill-country, and he at their head.

Judges 6:33

Then all the Midianites and the Amalekites and the people of the east, banding themselves together, went over and put up their tents in the valley of Jezreel.

Isaiah 27:13

And it will be in that day that a great horn will be sounded; and those who were wandering in the land of Assyria, and those who had been sent away into the land of Egypt, will come; and they will give worship to the Lord in the holy mountain at Jerusalem.

1 Corinthians 15:52

In a second, in the shutting of an eye, at the sound of the last horn: for at that sound the dead will come again, free for ever from the power of death, and we will be changed.

Treasury of Scripture Knowledge

Summary

So the people took victuals in their hand, and their trumpets: and he sent all the rest of Israel every man unto his tent, and retained those three hundred men: and the host of Midian was beneath him in the valley.

In the valley

Bible References

Trumpets

Judges 3:27
And when he came there, he had a horn sounded in the hill-country of Ephraim, and all the children of Israel went down with him from the hill-country, and he at their head.
Leviticus 23:24
Say to the children of Israel, In the seventh month, on the first day of the month, let there be a special day of rest for you, a day of memory, marked by the blowing of horns, a meeting for worship.
Leviticus 25:9
Then let the loud horn be sounded far and wide on the tenth day of the seventh month; on the day of taking away sin let the horn be sounded through all your land.
Numbers 10:9
And if you go to war in your land against any who do you wrong, then let the loud note of the horn be sounded; and the Lord your God will keep you in mind and give you salvation from those who are against you.
Joshua 6:4
And let seven priests go before the ark with seven loud-sounding horns in their hands: on the seventh day you are to go round the town seven times, the priests blowing their horns.
Isaiah 27:13
And it will be in that day that a great horn will be sounded; and those who were wandering in the land of Assyria, and those who had been sent away into the land of Egypt, will come; and they will give worship to the Lord in the holy mountain at Jerusalem.
1 Corinthians 15:52
In a second, in the shutting of an eye, at the sound of the last horn: for at that sound the dead will come again, free for ever from the power of death, and we will be changed.

In the valley

Judges 6:33
Then all the Midianites and the Amalekites and the people of the east, banding themselves together, went over and put up their tents in the valley of Jezreel.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain