All melodies are free and open source. At best we can say an entire composition is copyrighted. If I take a composition I like and then make a new composition from it, it’s ok, but if a computer does it it’s not? That cannot be. It’s unfortunate, but that’s the direction things will go.
Zoom is so much better. Teams doesn’t even identify which screen pre-share. Oh you want to annotate or highlighter point? Install a plugin but only if you’re the organizer or allowed by the sharing party, and only if you’re using the native app.