Tool Music Entertainment is a culture management agency, and the main businesses are planning and organizing concerts, record production, music education, and artist management. Based on classical and acoustic music, it produces concerts integrating with various cultural contents such as arts, films, and books.

Also, 3D mapping technology is combined into concerts and shows entertaining and innovative music concerts. Moreover, it discovers young and talented artists and produces and distributes albums of their classical music performances and original compositions. Music education is conducted by Eunhyon Chung, the president of Tool Music Entertainment and the teacher of left hand pianist Hyeyun Choi.

He delivers lectures on music welfare and music education for the disabled to government-affiliated institutes and cultural organizations. Five passionate staffs are working under the core value "Realization of Share" for sharing and communicating through music.

Currently, Tool Music Entertainment runs a cultural place called Tool and actively accomplishes its business goal.