Theory (Intro) by B Song Details

B's 'Theory (Intro)' had a release date set for December 24, 2025. For a fairly short song, this song is "Theory (Intro)" is considered an explicit song with a duration of 1:51. There are a total of 7 in the song's album "QUANTUM". In this album, this song's track order is #1. Theory (Intro) is unknown 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 Theory (Intro) by B having a BPM of 73 with a half-time of 36 BPM and a double-time of 146 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

E♭ Minor is the music key of this track. Which also means that the camelot key for this song is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B 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!