While in the last few decades, the conventional sheet music was only a niche, nowadays more and more Startups dedicate themselves to new business models in this area. Starting with apps that teach music notes, or a recognize a performer´s level and tracking his/her progress, till apps that offer personalized recommendation for one's new repertory. After a long start, musical notes are now present also in internet, through their accessibility in browser without special plugins or software. You can play, view and listen to sheet music easier than ever. Which new possibilities yield for the copyright holder and how to come to a professional musical score without previous knowledge?