This kind of product could be useful for a musician who records a song, then uploads it to get the sheet music -- that way, ...

Composing sheet music can be time-consuming and use a lot of paper. MuseScore 2 speeds up the process and lets you compose without limits.

Sheet music is bulky, hard to organize, and can get damaged easily. While I don't play music much now, I could see musicians switching over to MobileSheets for practice at home or on the go.