What this program will do for a student....
As a music student, one of the hard things to do is practice. No, you didn't join just to spend a lot of time in the practice room. This tool will make practicing more like performing. The other parts will be there for you to hear. Much more fun.
This program will also keep you from practicing a part all wrong. It can show when to play and it can also show you where you are playing wrong notes and how to fix the wrong notes.
Do this kind of work before rehearsal and you will feel much more confident about what you are doing. And we all know there is no substitute for that kind of confidence.