To add a video for Vincent Persichetti / Give Peace, O God (tune: Peace, No. 41 from Hymns and Responses for the Church Year, Vol. 2, Op. 166), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Vincent Persichetti / Give Peace, O God (tune: Peace, No. 41 from Hymns and Responses for the Church Year, Vol. 2, Op. 166)