RotJ SE Workprint ending (temp music) direct from Avid system 1990s
http://www.youtube.com/watch?v=eqRmWI6VAtc
temp track in one of the comments is mentioned as "500 Nations" mini-series theme. A documentary about American Indians.
via: Baronlando: http://originaltrilogy.com/forum/topic.cfm/Sources-on-the-Special-Edition/topic/12849/post/508021/#TopicPost508021
*EDIT*
Previous discussion here: http://originaltrilogy.com/forum/topic.cfm/Return-of-The-Jedi-Cut-with-Alternate-Workprint-Ending/topic/2154/