So rejoice in the Lord and be glad all you who obey him! Shout for joy all you whose hearts are pure!  Psalm 32:11.

Those who  plant in tears will harvest in shouts of joy. Psalm 126:5.

…this is a sacred day before the Lord.  Don’t be dejected and sad, for the joy of the Lord is your strength. Nehemiah 8:10.

What other joyful verses come to mind?