Jeff Scofield on October 30th, 2020:
In 1971 the opus number 1893 was changed to 2560-A to keep it in line with other work Casavant did for the church.

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Jeff Scofield on October 30th, 2020:
From the church's 2020 Wikipedia page: An organ of 35 stops was built for the original church building in 1904 by Jesse Woodberry & Co (Opus 251), designed by Edward MacGoldrick. The organ was enlarged to 50 stops and relocated to the gallery of the present building between 1923 and 1924 by Emil Mias. Mias died before the organ's completion, so his son, Paul F.C. Mias finished the organ. Casavant Frères built in 1947 a new console for the Woodberry/Mias organ, which was their Op. 1893. In 1959, Casavant annexed a Chancel organ (Op. 1893, 2560A) of 19 ranks, in the 'neo-baroque' style in the south transept to the Woodberry/Mias gallery organ. The gallery organ underwent significant tonal alterations in 1971 under the direction of Arthur Birchall, former vice-president of Aeolian-Skinner. A new console was completed in 1999 by Robert M. Turner, and numerous electronic voices were synthesized by Walker Technical Company. In 2015 plans were finalized to return the console to its original position in the Organ gallery, and the digital voices were all removed, along with the neo-baroque pipework. An 1855 chamber organ was also erected in the South transept for use when the choir sings in that location.

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Database Manager on January 10th, 2011:
Updated through online information from Jeff Scofield. -- Casavant installed a new console in 1947 as Op. 1893 for the existing 1905 3/49 Jesse Woodberry gallery organ; in 1960, Casavant added a new 3-division Chancel organ as Op. 2560A - it was located in the right transept; the 1947 Casavant console was relocated from the gallery to the transept at that time; in the 1970's, the gallery organ was reconditioned by various parties, including Arthur Birchall and Nelson Barden, and tonal changes were made; a large new 3-manual Turner console was installed in 1999, at which time many Walker digital stops were added; the organ now contains 107 pipe and digital ranks.

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Database Manager on November 22nd, 2009:
Identified through information from Casavant Frères, courtesy of Simon Couture. -- New console for existing Woodberry & Co. organ, previously relocated to this building and electrified by Mias.