"National Disappearance" by 黒石ひとみ was released on December 21, 2011. The duration of National Disappearance is about two minutes long, specifically at 2:48. This song does not appear to have any foul language. National Disappearance's duration is considered a little bit shorter than the average duration of a typical track. The track order of this song in 黒石ひとみ's "LASTEXILE 銀翼のファム O.S.T." album is number 9 out of 25. National Disappearance is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
We consider the tempo marking of National Disappearance by 黒石ひとみ to be Adagio (slowly with great expression) because the track has a tempo of 75 テンポ, a half-time of 38テンポ, and a double-time of 150 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 3/4.
C Minor is the music key of this track. Because this track belongs in the C Minor key, the camelot key is 5A. So, the perfect camelot match for 5A would be either 5A or 4B. While, a low energy boost can consist of either 5B or 6A. For moderate energy boost, you would use 2A and a high energy boost can either be 7A or 12A. However, if you are looking for a low energy drop, finding a song with a camelot key of 4A would be a great choice. Where 8A would give you a moderate drop, and 3A or 10A would be a high energy drop. Lastly, 8B allows you to change the mood.