It may be that originally its purpose was nearer to that of the Hid Treasure and Pearl, i.e. it was concerned to stress the joyful response to the finding of a hid treasure, a pearl or a lost valuable, and that it is the element of something lost in it which brought it together with the Lost Sheep in the tradition. (religion-online.org)
Hannah's song, inspiring Mary's Magnificat, is a joyful response to the redemptive miracle of Samuel's birth. (religion-online.org)
The observance of the Law is a joyful response to a God who has shown mercy. (religion-online.org)