The annual Mormon Tabernacle Choir Christmas concerts are actually a three-part holiday tradition. Part One happened Thursday morning, when choir officials appeared on KSL Radio's "Doug Wright Show" to announce that Tony-winning tenor Alfie Boe and venerated broadcast journalist Tom Brokaw will join the Mormon Tabernacle Choir and the Orchestra at Temple Square for the traditional concerts, which are scheduled for Dec. 13-15 in the LDS Church's Conference Center in downtown Salt Lake City. The two men will also join the choir for it's Sunday morning "Music and the Spoken Word" broadcast on Dec. 16.