Once Upon a December by Soothing Sonata Song Details

"Once Upon a December" by Soothing Sonata had its release date on December 19, 2025. With this song being around four minutes long, at 4:28, 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. Since Once Upon a December only contains only one song in the album, we like to consider this song as a single. Once Upon a December is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

BPM and Tempo

With Once Upon a December by Soothing Sonata having a BPM of 70 with a half-time of 35 BPM and a double-time of 140 BPM, we would consider this track to have a Adagio (slowly with great expression) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

Music Key

This song has a musical key of F♯ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.

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