張杰's '剑心' came out on April 15, 2015. With this song being around four minutes long, at 4:09, 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 拾, so we believe that "剑心" is a single. 剑心 is unknown right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

剑心 テンポ

The tempo marking of 剑心 by 張杰 is Andante (at a walking pace), since this song has a tempo of 78 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.

剑心 キー

E Minor is the music key of this track. Because this track belongs in the E Minor key, the camelot key is 9A. So, the perfect camelot match for 9A would be either 9A or 8B. While, a low energy boost can consist of either 9B or 10A. For moderate energy boost, you would use 6A and a high energy boost can either be 11A or 4A. However, if you are looking for a low energy drop, finding a song with a camelot key of 8A would be a great choice. Where 12A would give you a moderate drop, and 7A or 2A would be a high energy drop. Lastly, 12B allows you to change the mood.