MMORPG is an independent and complete virtual world. In the process of creating the world, music is an indispensable and important factor. It highlights the atmosphere, enriches game experience, and provides emotional support to plot outline. Can music itself be developed as a gameplay? What kind of style can it be shown in the RPG world? " Revelation Mobile " is an open world oriental fantasy RPG game developed independently by NetEase. The gameplay is highly player-directed and become an attractive point. In this game, a profession, musician, is made especially for players who focus on music gameplay. Players can use up to 19 musical instruments and 29 different techniques to achieve create music of their heart. In addition, those who use different instruments can also form a band and play together. The music and music scores played can also be shared, which creates a new social experience for MMORPG games! In this sessionwe will share experience about social networking based on instrument playing.