This project uses the following licenses:

Source code (BSD 3-clause):
src\LICENSE.txt

rtmidi:
src\rtmidi\LICENSE.txt

Graphics, except a few bitmaps: by Magnus Högdahl
(CC BY-NC-SA 4.0):
src\gfxdata\bmp\LICENSE.txt

SDL2:
vs2019_project\ft2-clone\sdl\COPYING.txt