This photo is of the Toupin Trio, Robert Goulet, Richard Toupin, and Marcel Beauchamp, performing at an outdoor evangelistic meeting. The meeting was called "Quebec Pour Christ" and was put on by Janz Team Crusades.
This photo shows many people sitting in the church. Among them are Richard Toupin (1st row, 4th from the left) and Ernest Dyck (2nd row, 1st beside the aisle). Note: photo is color.