Viincule made "Heartless" available on April 12, 2024. With Heartless being less than two minutes long, at 1:51, 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. 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 not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Heartless テンポ

We consider the tempo marking of Heartless by Viincule to be Allegro (fast, quick, and bright) because the track has a tempo of 125 テンポ, a half-time of 62テンポ, and a double-time of 250 テンポ. 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.

Heartless キー

The music key of this track is D♭ Major. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.