지옥서간 (地獄書簡)

지옥서간 (地獄書簡) is a neutral song by AI FACTORYZ with a tempo of 170 BPM. It can also be used half-time at 85 BPM. The track runs 3 minutes and 23 seconds long with a D key and a minor mode. It has high energy and is somewhat danceable with a time signature of 3 beats per bar .