"後悔" by 藤澤慶昌 was released on January 17, 2018. With 後悔 being less than two minutes long, at 1:41, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There are a total of 48 in the song's album "TVアニメ『宝石の国』オリジナルサウンドトラック". In this album, this song's track order is #11. The popularity of 後悔 is currently 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.
With 後悔 by 藤澤慶昌 having a BPM of 214 with a half-time of 107 BPM and a double-time of 428 BPM, we would consider this track to have a Prestissimo (even faster than presto) tempo marking. The time signature for this track is 1/4.
G Major is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.
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