Silence Wang's '苦笑' came out on July 1, 2010. With this song being around four minutes long, at 4:05, 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 汪苏泷歌曲合辑, Vol. 2, so we believe that "苦笑" is a single. 苦笑 is unknown right now. Although the overall vibe is very danceable, it does project more negative sounds.

苦笑 テンポ

The tempo marking of 苦笑 by Silence Wang is Adagio (slowly with great expression), since this song has a tempo of 72 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.

苦笑 キー

This song has a musical key of D Minor. Because this track belongs in the D Minor key, the camelot key is 7A. So, the perfect camelot match for 7A would be either 7A or 6B. While, a low energy boost can consist of either 7B or 8A. For moderate energy boost, you would use 4A and a high energy boost can either be 9A or 2A. However, if you are looking for a low energy drop, finding a song with a camelot key of 6A would be a great choice. Where 10A would give you a moderate drop, and 5A or 12A would be a high energy drop. Lastly, 10B allows you to change the mood.