Organ alternatim made sense in a gothic worldview, but less so under the influence of renaissance humanism.
Michael O'Connor 2014, 'The Liturgical Use of the Organ in the Sixteenth Century: the Judgments of Cajetanand the Dominican Order', Religionshttp://www.mdpi.com/2077-1444/5/3/751. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)