S to start music. c to change the instrument Press a Green Arrow to save your music. they will ask you if you want to save or load. you will have to answer save. Then you will get a code you will have to copy it, then if you want to load you must press the same Arrow but now it answers load, it will ask you what code you will use for the load and you will have to use the one you copied
perruñus is a stuffed animal of mine, the teddy gave the idea. I have also been inspired by https://musiclab.chromeexperiments.com/Song-Maker/