"[ ]" by Hungry Ghosts was released on 2000. With [ ] being less than a minute long, we are pretty confident that this song does not contain any foul language. That being said, this song is pretty short compared to other songs. The song is number 6 out of 15 in Alone, Alone by Hungry Ghosts. Based on our statistics, [ ]'s popularity is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

[ ] テンポ

The tempo marking of [ ] by Hungry Ghosts is Allegro (fast, quick, and bright), since this song has a tempo of 124 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

[ ] キー

This song is in the music key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.