Viiq, Disco Fries made "Heartless" available on July 9, 2021. The duration of Heartless is about two minutes long, specifically at 2:58. 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 average in popularity 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 Viiq, Disco Fries to be Allegro (fast, quick, and bright) because the track has a tempo of 126 テンポ, a half-time of 63テンポ, and a double-time of 252 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.