天狼群, 優谷優(CV.橘杏咲), 涼風涼(CV.松岡美里), 水鳥亜鳥(CV.花宮初奈), 瑠璃葉るら(CV.花井美春)'s ' "BAD SURPRISE" was released on its scheduled release date, September 24, 2025. With this song being around four minutes long, at 3:51, 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. The track order of this song in 天狼群's "KING OF EVIL" album is number 8 out of 10. On top of that, Japan appears to be the country where this track was created. In terms of popularity, BAD SURPRISE is currently not that popular. The overall mood can be danceable to some, especially with it's high amount of postive energy.
We consider the tempo marking of BAD SURPRISE by 天狼群, 優谷優(CV.橘杏咲), 涼風涼(CV.松岡美里), 水鳥亜鳥(CV.花宮初奈), 瑠璃葉るら(CV.花井美春) to be Andante (at a walking pace) because the track has a tempo of 94 BPM, a half-time of 47BPM, and a double-time of 188 BPM. Based on that, the speed of the song's tempo is slow. Activities such as, yoga or pilates, can go well with this song. The time signature for this track is 4/4.
F♯ Major is the music key of this track. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.
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