It may require you to install the zero-line staff discussed halfway down this post:
I think it’s possible it would not work without that custom ‘instrument’ being installed … which does take a bit of technical tweaking. And as I mentioned, there are several problems inherent in the format I used– and quite a lot you’d need to create your own solutions for. While I got close to what I was aiming for, I think the difficulties weigh a bit more than the usefulness at this point, so I don’t have something that works as a ‘works-with-any-song’ template, but I’ll message you directly with a little bit more info.