What does the Bible say about the joyful sound?

The concept of the joyful sound is prominently featured in Psalm 89:15, where it states, 'Blessed are the people that know the joyful sound.' This joyful sound signifies the proclamation of God's righteous acts, mercy, and the fulfillment of His covenantal promises through Jesus Christ. It embodies the good news of salvation, the atonement made for sins, and the liberty proclaimed through Him. Those who recognize and embrace this joyful sound experience true happiness and assurance in their salvation, walking in the light of God's presence.