It was a blast for over 300 singers, singing for each other.  Here are the music directors:
Music Directors (l-r)
Sarra Otanski, Centennial Sec School
Patrick Headley, A Cappella Quinte
Shaena Dearman, Happy Harmony
Moira Nikander-Forrester, Command Performance
Jeanette Briggs, Westminster United Church Choir
Georgette Fry, Shout Sister
Sherin Rizk, Canadian Military Wives Choir, Trenton
Heather Christiansen, Belleville Choral Society and North Lakeshore Chorus