Zephari's ' "once" was released on its scheduled release date, October 10, 2025. The duration of This song is about two minutes long, specifically at 2:46. This song does not appear to have any foul language. once's duration is considered a little bit shorter than the average duration of a typical track. There are a total of 4 in the song's album "Nostalgia EP". In this album, this song's track order is #4. Based on our statistics, once's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
With once by Zephari having a BPM of 148 with a half-time of 74 BPM and a double-time of 296 BPM, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with jogging or cycling. The time signature for this track is 4/4.
The music key of this track is E♭ Major. 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.
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