Octave Scroll - [vertical scroll in steps of eight]

funkymothers

It would be great to be able to scroll vertically in steps of eight (i.e. one page at a time). This could either be accomplished by holding a modifier [i.e. shift].

In many cases scrolling by octave would be preferable so being able to set a global preference would be even better.
That way, whichever way is set globally [octave or semitone] could be overridden by using the modifier.