
(Wikimedia CC; click to enlarge.)
The Muslim call to prayer was given from up at the right side of the organ pipes, at the top of the choir seats.
This week’s Thursday Deseret News column is up:
http://www.deseretnews.com/article/865639594/Welcoming-the-worlds-religions-to-Temple-Square.html
Don’t miss going through the eight photographs that accompany the article. They give some sense, at least, of what the program was like.