tubakiii made "七日後" available on January 31, 2018. The duration of 七日後 is about 3 minutes long, at 3:23. Based on our data, "七日後" 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 2 HORNS CITY #2 -Rain Library-, so we believe that "七日後" is a single. 七日後 is below average in popularity right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.
The tempo marking of 七日後 by tubakiii is Adagio (slowly with great expression), since this song has a tempo of 75 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.
This song has a musical 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.