Final Story's ' "Duality" was released on its scheduled release date, July 25, 2025. With this song being around four minutes long, at 3:46, 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. Because this song is the only song in Duality and no other songs are present in the album, we classify this track as a single. Based on our statistics, Duality's popularity is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of Duality by Final Story is Allegro (fast, quick, and bright), since this song has a tempo of 142 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.
B♭ Minor is the music key of this track. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.
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