永恆的約定 Eternal Promise by 太甲AI Song Details

"永恆的約定 Eternal Promise" by 太甲AI had its release date on September 18, 2025. With this song being around four minutes long, at 3:49, 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. There is only one song in 雪中雨夜花Flower in the Rainy Night of Snow, so we believe that "永恆的約定 Eternal Promise" is a single. Based on our statistics, 永恆的約定 Eternal Promise's popularity is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

BPM and Tempo

The tempo marking of 永恆的約定 Eternal Promise by 太甲AI is Allegro (fast, quick, and bright), since this song has a tempo of 141 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.

Music Key

B Major is the music key of this track. 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.

Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!