This song is suitable for creating an atmosphere of tension, terror and conspiracy. It can be used as soundtrack scenes such as movies and trailers suitable for this atmosphere. It has strong function and directivity and rich timbre levels. This song starts with a synthesizer around the bottom, supplemented by a small play to create an atmosphere. In the later development process, the synthesizer turned to the inner part, and gradually added string music, brass tube, woodwind, piano, steel pianist, steel hyoid, percussion, modulation of timbre, etc.