ぷにぷに電機 made "empty castle" available on May 20, 2019. The duration of empty castle is about two minutes long, specifically at 2:48. This song does not appear to have any foul language. empty castle's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in ワンダー・アンダーグラウンド, so we believe that "empty castle" is a single. The popularity of empty castle is currently not that popular right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.
The tempo marking of empty castle by ぷにぷに電機 is Presto (very, very fast), since this song has a tempo of 180 BPM. With that information, we can conclude that the song has a fast tempo. 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.
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