Anglican Chant from a metrical psalmody tune…

The choir will be singing the Benedictus at St Andrew's next week, and I've been looking for an appropriate setting. Common Worship has a few metrical settings of the text, one of which is Double Common Metre. This fits to a number of tunes, but perhaps my favourite DCM tune is number 373 in the New English Hymnal -- also known as "Third Mode Melody". This was made famous by Ralph Vaughan...