Parallel Hearts
Refrain Girl - AIris
Celestia Fragments
3:53 November 27, 2025
BPM
165
Key
E♭ Major
Camelot
5B

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Parallel Hearts by Refrain Girl - AIris Song Details

Refrain Girl - AIris's 'Parallel Hearts' had a release date set for November 27, 2025. With this song being around four minutes long, at 3:53, 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. The song is number 4 out of 11 in Celestia Fragments by Refrain Girl - AIris. The popularity of Parallel Hearts is currently below average in popularity 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

The tempo marking of Parallel Hearts by Refrain Girl - AIris is Vivace (lively and fast), since this song has a tempo of 165 BPM. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

Music Key

This song has a musical key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A 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!

Popularity
Loudness
-4.091 dB
Acousticness
0%
Danceability
49%
Energy
88%
Instrumentalness
0%
Liveness
68%
Loudness
93%
Speechiness
4%
Valence
39%

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ISRC
QT6F62529955
Label
L-M Records/RCA Records