One of the oldest hymns and one of the best, here sung in English is a setting from the Monastery of St. John in the California foothills. Watching the video in its 4’30” entirety is a wonderful and restful experience. If you’re just such a hurry-up bunny that you can’t wait, the music starts at 2’40”.
And if you’re working your way through a series of Masses today, this will be a pleasant respite come evening.