Editing Organ (music) (section)

==== Allen ====
{{Main article|Allen organ}}
In contrast to Hammond's electro-mechanical design, Allen Organ Company introduced the first totally electronic organ in 1938, based on the stable oscillator designed and patented by the company's founder, Jerome Markowitz.<ref name=MarkowitzPatent>{{Cite web|url=https://patents.google.com/patent/US2190078A/en|title=Low frequency oscillator|website=Patents.google.com|access-date=22 April 2021}}</ref> Allen continued to advance analog tone generation through the 1960s with additional patents.<ref name=AllenOrganPatents>{{Cite web|url=https://patents.justia.com/search?q=Allen+Organ+Company|title=Search Patents - Justia Patents Search|website=Patents.justia.com|access-date=22 April 2021}}</ref> In 1971, in collaboration with North American Rockwell,<ref name=AllenNorthAmericanRockwell>{{Cite web|url=https://www.allenorgan.com/www/company/museum/dig1.html|title=Allen Organ collaborative effort with North American Rockwell|website=Allenorgan.com|access-date=22 April 2021|archive-date=22 October 2017|archive-url=https://web.archive.org/web/20171022032233/https://www.allenorgan.com/www/company/museum/dig1.html|url-status=dead}}</ref> Allen introduced the world's first commercially available digital musical instrument. The first Allen Digital Organ is now in the Smithsonian Institution.<ref name=AllenCongressionalRecord>{{Cite web|url=https://www.congress.gov/congressional-record/2010/9/29/extensions-of-remarks-section/article/e1778-3|title=Congressional Record Extensions of Remarks Articles|website=Congress.gov|access-date=22 April 2021}}</ref>