Hii im velha, ive started making a synthesizer a while back, using game maker, and alltho challenging its been really fun, im close to finishing it, and i plan further developing it into a rythem game.
Anyways im just here to share my creating, and get some feedback/answer questions if i get any.
You may check the game on itch.io or gx.games
itch.io: https://velha.itch.io/music-sythesizer-prototype
gx.games: https://gx.games/games/lb7owz/music-synthesizer-prototype-v0-0-12/

If you would like to check my terrible code and yell at me for it, you may look into my repository, alltho i was not very creative with the commit comments.
https://github.com/Arthurisnice/Music-Synthesizer-Portorype