On this page I will put videos I have found on YouTube and other locations. You can click and play the embedded video here.
This video seems to have been put together for television and came from a YouTube user who has many other videos showing singing from The Sacred Harp.
Alan Lomax is famous as a collector of music and singing from The Sacred Harp which was a tradition that he loved.
This is the premier documentary about singing from The Sacred Harp by Matt Hinton. Above is a trailer for that film.
I picked this video because one quality of shape-note singing I especially enjoy is the enthusiasm we all share in.
So you see wikipedia knows about The Sacred Harp.
Warren Steel is the premier of The Sacred Harp and responsible for many resources available.