Jem One's ' "Index" was released on its scheduled release date, August 8, 2025. This song is about six minutes long, preciously at 5:45, making this song fairly long compared to other songs. The track order of this song in Jem One's "Index // Solo" album is number 1 out of 2. The popularity of Index is currently not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
We consider the tempo marking of Index by Jem One to be Vivace (lively and fast) because the track has a tempo of 172 BPM, a half-time of 86BPM, and a double-time of 344 BPM. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.
This song is in the music key of B Major. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.
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