"999" by Prince Innocence, Harrison was released on April 13, 2018. The duration of 999 is about two minutes long, specifically at 2:48. This song does not appear to have any foul language. 999's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 999, so we believe that this song is a single. In terms of popularity, 999 is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

999 テンポ

The tempo marking of 999 by Prince Innocence, Harrison is Andante (at a walking pace), since this song has a tempo of 100 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.

999 キー

This song has a musical key of B♭ Major. 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.