Good to see you, Mrs. Don-o - I hope Don-0 is well!
(Finally remembered how to spell my password, among other things!)
and here's another site, an excellent short intro:
http://video.aol.com/video-detail/awake-my-soul-the-story-of-the-sacred-harp-movie-trailer/672098364
Our older son, Ben, is in his 3rd week of Marine Basic Training at Parris Island, and our 9th grade son, Vanya, just got an A in Cosmetology :o)
Life is good.