Genderalto is a musicgender and a subcategory of clefgender. It is related to the alto clef and can be described as being as though it is set in a mid-range, and is in between gendertreble and genderbass while still being its own distinct gender.
History
Genderalto was coined on July 21, 2014 by no-bucks-for-this-doe on tumblr.
Flag
The flag was created on March 14, 2017 by Pride-Flags on Deviant-art.