Promise by Kim Siwon Song Details

On August 24, 2025, the song "Promise" was released by Kim Siwon. The duration of This song is about two minutes long, specifically at 2:28. This song does not appear to have any foul language. Promise's duration is considered a little bit shorter than the average duration of a typical track. Since Promise only contains only one song in the album, we like to consider this song as a single. Furthermore, we believe that the track originated from South Korea. Based on our statistics, Promise's popularity is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

BPM and Tempo

With Promise by Kim Siwon having a BPM of 138 with a half-time of 69 BPM and a double-time of 276 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 walking. The time signature for this track is 4/4.

Music Key

This song is in the music key of C Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.

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