Digital technologies are revolutionizing every year, providing new formats and business models for the creation and use of copyright objects. In the article, the author draws attention to the modern evolution of copyright objects such as musical works that are developing thanks to computer technology. In this regard, copyright faces a number of problems that require a new understanding. It is noted that music perceived by ear, as well as musical notation and sound recording, generally affect the assessment of the originality of the object. The original method of creation also affects the creative musical result. In addition, the definition of originality in general in relation to musical works is influenced by the novelty of the composition (the art of forming sounds) and the different ways of its presentation. At the same time, uniqueness and atypicity, the use of additional elements to evaluate the composer's work, are already important and in demand on the music market. Consequently, comparing similar compositions based on musical notation alone is difficult and does not always justify the work of a modern composer.