Psalms:81:3-5
kjv@Psalms:81:3 @ Blow up the trumpet in the new moon, in the time appointed, on our solemn feast day.
kjv@Psalms:81:4 @ For this was a statute for Israel, and a law of the God of Jacob.
kjv@Psalms:81:5 @ This he ordained in Joseph for a testimony, when he went out through the land of Egypt: where I heard a language that I understood not.