Scores & More › Psalm 89 • Forever I will sing the goodness of the Lord (In Dulci Jubilo) Image 1 of 2 Image 2 of 2 Psalm 89 • Forever I will sing the goodness of the Lord (In Dulci Jubilo) $2.50 Psalm for the Christmas Vigil Mass, based on the tune, ‘In dulci jubilo’. Add To Cart Added! Psalm for the Christmas Vigil Mass, based on the tune, ‘In dulci jubilo’.