"we call him heartless" by 梶浦 由記 was released on September 4, 2019. The duration of we call him heartless is about two minutes long, specifically at 2:45. This song does not appear to have any foul language. we call him heartless's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in ロード・エルメロイⅡ世の事件簿 -魔眼蒐集列車 Grace note- Original Soundtrack, so we believe that "we call him heartless" is a single. In terms of popularity, we call him heartless is currently below average in popularity. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

we call him heartless テンポ

The tempo marking of we call him heartless by 梶浦 由記 is Moderato (at a moderate speed), since this song has a tempo of 118 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.

we call him heartless キー

B♭ Major is the music key of this track. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.