SARD UNDERGROUND made "空っぽの心" available on September 14, 2022. The duration of 空っぽの心 is about 3 minutes long, at 3:16. Based on our data, "空っぽの心" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 日の名残り, so we believe that "空っぽの心" is a single. Based on our statistics, 空っぽの心's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

空っぽの心 テンポ

The tempo marking of 空っぽの心 by SARD UNDERGROUND is Allegro (fast, quick, and bright), since this song has a tempo of 131 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

空っぽの心 キー

This song has a musical key of E Major. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.