Lorraine's right. If you haven't heard Margaret you're in for a big treat. She has four fairly recent recordings, two with her family: "Them Stars" (wonderful title song) and "MacArthur Road." Also a compilation of Vermont History songs on cassette with a HUGE booklet of background information on the songs included. I believe her earlier recordings are also still available -- check her website. You'll get to hear the harp, and some wonderful songs, too.
Sen. Jeffords of Vermont recently selected Margaret to represent her state in the Milennium Stage concert series at the Kennedy Center in Washington. A politician with taste and discernment! She is truly a treasure.