On October 1, 2025, the song "3Piece Heart+1" was released by 帝乃一輝（CV.天海由梨奈）, 帝乃二琥（CV.古賀 葵）, 帝乃三和（CV.青山吉能）. With this song being around four minutes long, at 3:54, 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 帝乃三姉妹と優の、キャラソン。, so we believe that "3Piece Heart+1" is a single. The popularity of 3Piece Heart+1 is currently below average in popularity right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.
The tempo marking of 3Piece Heart+1 by 帝乃一輝（CV.天海由梨奈）, 帝乃二琥（CV.古賀 葵）, 帝乃三和（CV.青山吉能） is Vivace (lively and fast), since this song has a tempo of 160 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.
D♭ Minor is the music key of this track. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.
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