This is a lovely song by Ed Bolduc that is recommended for Advent and Easter, but I’m sure you can think of other joyful liturgies to which it is suited.
The text is available in the sample at WLP where the sheet music can be purchased and a snippet of the tune can be reviewed.
It is meant to be flowing and lilting but when I see 6/8 I go all sea shanty sing-along so I sped it up a bit.
This video is much better: