Rainie Yang made "空空" available on November 27, 2019. With this song being around four minutes long, at 4:11, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 刪·拾 以後, so we believe that "空空" is a single. In terms of popularity, 空空 is currently below average in popularity. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

空空 テンポ

The tempo marking of 空空 by Rainie Yang is Moderato (at a moderate speed), since this song has a tempo of 116 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.

空空 キー

This song has a musical key of A Minor. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.