Home › Events › Colloquium Speaker: John Zack, “Sacristy 101: Essentials for Church Musicians” Colloquium Speaker: John Zack, “Sacristy 101: Essentials for Church Musicians” Time: Tue Nov 21, 2023, 1:00 pm - 2:00 pm Location: Basilica of the Sacred Heart (View on map ) Colloquium Speaker John Zack, University Sacristan, will present “Sacristy 101: Essentials for Church Musicians”.