"系" by 禾亞H.Y was released on August 28, 2020. The duration of 系 is about two minutes long, specifically at 2:54. This song does not appear to have any foul language. 系's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 玫瑰女孩 - 尋找愛情的勇氣, so we believe that "系" is a single. In terms of popularity, 系 is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

系 テンポ

The tempo marking of 系 by 禾亞H.Y is Moderato (at a moderate speed), since this song has a tempo of 117 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.

系 キー

A Major is the music key of this track. 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.