In this paper, we examine the specific contents of the music copyright, and in view of the conflict going online due to the development of Information and Communication to review the legal liability for infringement through the P2P network services. In particular, it will now be made to the judicial configuration for the civil liability and tort liability on a joint copyright of the internet service provider. Musical works by collecting evidence that many cases is difficult because it is emotionally than the other works are used randomly without the permission of the copyright holder without a license does not leave any written legal action difficult. This is also a time large quantities spreads easily around the globe in a variety of ways throughout the play, broadcasting, recording, internet, cyber space. In addition to the development of digital information and communication technologies, along with the use of networked forms of musical work it is also greatly changed the music industry and cultural industries accounted for a large proportion of the work in which music is used most often in public. The legal disputes relating to music copyright with the rapid changes in the telecommunications environment has increased. While this increase was the illegal distribution of books, including legal disputes caused by the global piracy problem. By P2P service on the Internet infringes aspects of copyright and neighboring rights are becoming increasingly diverse, especially the reality is that the institutions that protect the rights of performers infringement insufficient. Development of case law and legislative policy relating to musical works protected can see that mainly focuses on the protection of composers, lyricists and music copyright holders. In other words, the protection of copyright for music performers receive an insufficient and ill-treatment in reality often does not recognize the rights properly. Legislative policy response, including the revision of the copyright for it sees necessary.