I’ve used sometimes YouTube music library to add music to my YouTube videos.
Today I found two alternatives where you can make your own music fast and easy:
https://www.incredibox.com/demo/v3
and
https://intro.novationmusic.com/viral-hiphop
So I just start playing, and use a screen recorder software to record the system sound. Then with Movavi, I can add the video with the music, and then just hide the clip. Then I will have my own music 🙂
Here is one song made by me in Incredibox.
And here is one with Launchpad: