That song has been on my mind this week (see my blog at http://walnutprairie.blogspot.com/2010/12/amazing-grace.html ).  She's also on YouTube (http://www.youtube.com/watch?v=DDDlxmsciqY )  Rhema does have an amazing voice for her age.  She has also had more than her share of challenges.  She was just over 4 pounds at birth.  During her early childhood her mother struggled with ovarian cancer, losing the fight when Rhema was 6 (see http://www.rhemamarvanne.com/about.html) Amazing little girl.