Exodus 19:19
When the sound of the trumpet grew louder and louder, Moses spoke, and God answered him by a voice.
Psalm 81:7
You called in trouble, and I delivered you. I answered you in the secret place of thunder. I tested you at the waters of Meribah." Selah.
Exodus 19:16
It happened on the third day, when it was morning, that there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.
Exodus 19:13
No hand shall touch him, but he shall surely be stoned or shot through; whether it is animal or man, he shall not live.' When the trumpet sounds long, they shall come up to the mountain."
Nehemiah 9:13
"You came down also on Mount Sinai, and spoke with them from heaven, and gave them right ordinances and true laws, good statutes and commandments,
Hebrews 12:21
and so fearful was the appearance, that Moses said, "I am terrified and trembling."