To add a video for Genevan Psalter / Psalm 74: Doù vient, Seigneur, que tu nous as espars (1562: Original melody of Ps. 116), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Genevan Psalter / Psalm 74: Doù vient, Seigneur, que tu nous as espars (1562: Original melody of Ps. 116)