[RVDowning]

The only other suggestion I would have is to have an option on scroll back that would allow the positioning to go to the bottom of the previous page.

I am a fairly early intermediate piano student and can have passages that start on one page and continue to the top of the next, and am constantly going back and forth over that particular passage.  At the moment I have to "page back" and then scroll down a couple of times.

This is undoubtedly not worth doing because I am probably the only person on the planet who would find this of value.