This photo is of the Messengers' Quartet singing around a piano. Pictured are (l-r) John Block, Walter Janzen, Menno Kroeker, Abe Block, and Ron Carleton at the piano.

This photo is of Rudy Boschman with the Messengers' Quartet gathered around a piano. Picture are (l-r) Rudy Boschman, Ron Carleton, John Block, Walter Janzen, Menno Kroeker, and Abe Block.

This photo is of the Messengers Quartet gathered around a piano. Pictured are (l-r) John Block, Rudy Voth, Menno Kroeker, Elmer Dyck, Rudy Boschman, and Al Voth (front). (The photo was taken at a crusade put on by Boschman and the Messengers?].

This photo is of the Messengers performing at a celebration ceremony of Mennonite life in Ontario. The ceremony was held at Eden Christian College. L-R: John Block, Bill Schroeder, Menno Kroeker, and Abe Block.

This photo is of the Messengers' Quartet performing at a General MB Conference convention. Pictured are (l-r) John Block, Walter Janzen, Neil Block, and Abe Block.

This photo is a portrait of the Messengers' Quartet with their instruments. Pictured are (l-r) Ron Carelton, John Block, Bill Schroeder, Menno Kroeker, Rudy Boschman, and Abe Block.

This photo is of Rudy Boschman (front, left) and the Messengers' Quartet with their guitars. Pictured from left to right are John Block, Rudy Voth, Rudy Boschman, Menno Kroeker, Elmer Dyck, and Al Voth.

This photo is of the Messengers' Quartet playing guitars and singing for an audience. Depicted are (l-r) Rudy Boschman, John Block, Walter Janzen, Menno Kroeker, and Abe Block.

This photo is a portrait of the Messengers' Quartet: (back, l-r) John Block, Bill Schroeder, Menno Kroeker, Rudy Boschman, (front) Ron Carelton, and Abe Block.

This photo is on a prayer reminder card of the Gospel Messengers' Quartet and the director. The top photo is of director H. Petkau. Bottom photo is of the quartet. From left to right, back row: Rudy Voth and Menno Kroeker. Front row: John Block and Peter Block.

This photo is of the Messengers' Quartet singing into microphones during a performance. Pictured are (l-r) John Block, Walter Janzen, Menno Kroeker, and Abe Block.

This photo is a portrait of The Messengers Quartet: (l-r) John Block (bass), Al Voth (pianist), Abe Block (first tenor), Bill Schroeder (baritone), and Al Braun (second tenor).

This photo is a portrait of the Messengers Quartet: (l-r) John Block, Menno Kroeker, Norm Bennet, and Rudy Voth.

This photo is of the Messengers Quartet standing in front of their tour bus. Depicted are (l-r) Bill Schroeder, Al Voth, Al Braun, Abe Block, and John Block.

This photo is of the Messengers' Quartet performing at a Canadian MB Conference convention. Featured in the quartet are (l-r) John Block, Walter Janzen, Neil Block, and Abe Block.