Trumpet: Miracles Connected With: Heard at Mount Sinai at Giving of the Law
Source: TTT
Exodus 19:16
On the third day, when morning came, there was thunder and lightning. A thick cloud was upon the mountain, and a very loud blast of the ram’s horn went out, so that all the people in the camp trembled.
Exodus 20:18
When all the people witnessed the thunder and lightning, the sounding of the ram’s horn, and the mountain enveloped in smoke, they trembled and stood at a distance.