Psalms 81:3-6

³Blow the trumpet at the new moon, and at full moon, to begin our festivals,

⁴for this is a rule for Israel, a regulation of the God of Jacob.

⁵God made this statute for Joseph when he opposed the land of Egypt. I heard a voice I didn't know, saying:

⁶“I took the load from your shoulders; I freed your hands from carrying heavy baskets.