ping
Here is the oldest Christian hymn we have. It is exactly about the Uncreated Light at Mount Tabor. This is for us a Vesperal Hymn.
http://www.youtube.com/watch?v=LJcBgcHkdac&feature=related
It is beautiful in English too, unlike many Orthodox hymns.
http://www.youtube.com/watch?v=RZsUdepjEa0&feature=related