heartless (sped up) by undreamed Song Details

"heartless (sped up)" by undreamed had its release date on December 26, 2025. With This song being less than two minutes long, at 1:20, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. The track order of this song in undreamed's "heartless" album is number 3 out of 3. Based on our statistics, heartless (sped up)'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 heartless (sped up) by undreamed to be Allegro (fast, quick, and bright) because the track has a tempo of 149 BPM, a half-time of 74BPM, and a double-time of 298 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. 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 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.

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