C A L E B's 'Heartless' came out on September 3, 2021. The duration of Heartless is about two minutes long, specifically at 2:21. This song does not appear to have any foul language. Heartless's duration is considered a little bit shorter than the average duration of a typical track. The song is number 15 out of 15 in Chosen by C A L E B. Based on our statistics, Heartless'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.

Heartless テンポ

The tempo marking of Heartless by C A L E B is Allegro (fast, quick, and bright), since this song has a tempo of 126 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 5/4.

Heartless キー

E Major is the music key of this track. 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.