NESTA made "Heartless" available on March 1, 2024. The duration of Heartless is about two minutes long, specifically at 2:30. 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. Because this song is the only song in Heartless and no other songs are present in the album, we classify this track as a single. Based on our statistics, Heartless's popularity is below average in popularity right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.

Heartless テンポ

We consider the tempo marking of Heartless by NESTA to be Allegro (fast, quick, and bright) because the track has a tempo of 140 テンポ, a half-time of 70テンポ, and a double-time of 280 テンポ. 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.

Heartless キー

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.