簡弘亦 made "心太黑" available on December 25, 2015. With this song being around four minutes long, at 3:54, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 樹先生, so we believe that "心太黑" is a single. The popularity of 心太黑 is currently not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

心太黑 テンポ

The tempo marking of 心太黑 by 簡弘亦 is Vivace (lively and fast), since this song has a tempo of 176 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

心太黑 キー

E♭ Major is the music key of this track. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.