The resulting two-part documentary, titled "One Voice," provides a behind-the-scenes view like never presented before. The first part will air on BYU TV on Sunday, 4 April at noon and again on Tuesday, 6 April at 9:30 p.m. Part 2 of "One Voice" features the final tour concert at the famed Red Rocks Amphitheater. It will air Tuesday, 6 April at 8:00 p.m.


