Járnhjarta (Iron Heart) by Hroldar Song Details

Hroldar's 'Járnhjarta (Iron Heart)' had a release date set for December 21, 2025. The duration of This song is about 3 minutes long, at 3:15. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. Because this song is the only song in Járnhjarta (Iron Heart) and no other songs are present in the album, we classify this track as a single. Based on our statistics, Járnhjarta (Iron Heart)'s popularity is 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

We consider the tempo marking of Járnhjarta (Iron Heart) by Hroldar to be Allegro (fast, quick, and bright) because the track has a tempo of 139 BPM, a half-time of 70BPM, and a double-time of 278 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Music Key

This song is in the music key of F Major. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.

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