What does the Bible say about worship in Psalm 81?

Psalm 81 calls the church to worship God, who is described as 'our strength' and 'the God of Jacob,' reminding all worshipers of their sinful nature and God's redeeming work. The psalm recounts Israel's historical worship practices, emphasizing the Passover and Feast of Tabernacles as reminders of God's deliverance from Egypt. It highlights the need for believers to continuously recognize God's active presence and grace in their lives, affirming that true worship involves acknowledgment of His acts of salvation and a response of joyful obedience.