Grandall and Engen
ca. 2021

This entry represents tonal additions to an existing instrument. Identified through online information from Music Dir. Matt Gender [April 28, 2026]: I'm the current music director and organist at Zumbro, and after noticing how out of date this entry is I have some edits: The church was renovated during Covid from 2020-2021 and the interior has changed, and right about that time the organ itself was also renovated. There was a new stop added to the Swell, a Principal 4' done by David Grandall. The entry should also be edited to reflect that the instrument itself is largely solely the work of Robert Sipe, who did the design, installation and voicing, information which has been passed to me by people who knew the installation when it happened in 1968. It MAY have had a Skinner opus number which is likely from the fact that Sipe was working at or attached to the shop at Aeolian Skinner while this instrument was being constructed. However, there are few, if at any, parts of the organ that are relating to the Aeolian Skinner organ company. You can compare this instrument to his installation at Luther College (where he was named as the sole builder), the instruments are near identical in design and voicing, save for a couple extra stops.