SARD UNDERGROUND made "空っぽの心" available on May 18, 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 空っぽの心, so we believe that "空っぽの心" is a single. In terms of popularity, 空っぽの心 is currently average in popularity. The overall mood can be danceable to some, especially with it's high amount of postive energy.

空っぽの心 テンポ

The tempo marking of 空っぽの心 by SARD UNDERGROUND is Andante (at a walking pace), since this song has a tempo of 103 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

空っぽの心 キー

This song has a musical key of A Major. This also means that this song has a camelot key of 11B. So, the perfect camelot match for 11B would be either 11B or 12A. While, 12B can give you a low energy boost. For moderate energy boost, you would use 8B and a high energy boost can either be 1B or 6B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 11A or 10B will give you a low energy drop, 2B would be a moderate one, and 9B or 4B would be a high energy drop. Lastly, 8A allows you to change the mood.