Percussion notation: "stem up" not respected, additional clefs in marimba on instrument change

@Chris-J.E Thank you for your feedback … much appreciated that you take your time to help me! :slight_smile:

If looks like you are working in the percussion part. But my example is from a score, and there i cannot make such system breaks (if that is what you suggest).

No, I am really looking for the solution that @Nukkul posted as his version 1. That would be what I want…

EDIT
I add another screenshot hoping to show the score setup more clearly: