Deletion of Capella (notation program)

Comment: this is one of the top music notation software programs. Sources can be difficult to find because of the ambiguous name, but there are at least three additional reviews that can be used to improve the article: https://www.soundonsound.com/reviews/capella-2004 https://www.heise.de/newsticker/meldung/Notenlese-Software-Capella-Reader-8-erhaelt-neuen-Touch-Modus-3153736.html http://www.psalmboek.nl/capella-muzieksoftware-review.php. This passes 
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: was  even done? On top of the two above, a quick books search finds The Instrumentalist (magazine) Volume 62 - Page 114, that passes  but I agree sources are scarce
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE||WP:GNG)