**300 copies** This work was recorded on 6 August 2015, 70 years after the atomic bomb was dropped on Hiroshima, in a certain place in Hiroshima-city. The work consists of the following three sound sources.

-70-minute field recording, including sunset time, at Hiroshima-City, on August 6, 2015.
-The sound source that converted VLF waves into audio at times the same as the above.
-The sound source that converted ELF waves into audio at times the same as the above.

A motion appears as a function of time and space. If that is the case, then we can also think of music [sound] as a form of movement. Sound is transmitted by air vibrations. Sound exists beyond the range of human hearing. As is well known, sounds generated by natural phenomena exist beyond the scope of human manipulation. Awe of the Invisible things.

How is it possible to listen to the voices of others who are not here and now? Others are Someone not in front of you, Dead person, People who will be born in the future ... Even if it is a slight movement, it is the operation of life, and there is always a sound.

The work is a 70-minute soundscape work in which the sounds that appear by chance and the converted sounds of radio waves that exist outside of human hearing are intertwined in a limited time.