21 Hearts by Bob Spring Song Details

Bob Spring's ' "21 Hearts" was released on its scheduled release date, April 16, 2025. With this song being around four minutes long, at 4:17, 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 are a total of 5 in the song's album "Twenty One". In this album, this song's track order is #1. Furthermore, we believe that the track originated from Spain. The popularity of 21 Hearts is currently unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

With 21 Hearts by Bob Spring having a BPM of 164 with a half-time of 82 BPM and a double-time of 328 BPM, we would consider this track to have a Vivace (lively and fast) tempo marking. Because of this, we believe that the song has an overall fast tempo. The time signature for this track is 4/4.

Music Key

B Minor is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B 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!