Mili Entertainment, Spooky Lotto made "Heartless" available on July 21, 2023. Heartless is 2 minutes and 6 seconds long and may contain bad words that may be unsuitable for children. 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. Heartless is unknown right now. The mood doesn't appear to be that danceable, but it still produces a high amount of positive energy.

Heartless テンポ

We consider the tempo marking of Heartless by Mili Entertainment, Spooky Lotto to be Andante (at a walking pace) because the track has a tempo of 78 テンポ, a half-time of 39テンポ, and a double-time of 156 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Heartless キー

This song is in the music key of G Minor. Because this track belongs in the G Minor key, the camelot key is 6A. So, the perfect camelot match for 6A would be either 6A or 5B. While, a low energy boost can consist of either 6B or 7A. For moderate energy boost, you would use 3A and a high energy boost can either be 8A or 1A. However, if you are looking for a low energy drop, finding a song with a camelot key of 5A would be a great choice. Where 9A would give you a moderate drop, and 4A or 11A would be a high energy drop. Lastly, 9B allows you to change the mood.