張清芳 & 范怡文's '這些日子以來' came out on 1985. With this song being around four minutes long, at 3:53, 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 這些日子以來, so we believe that this song is a single. In terms of popularity, 這些日子以來 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.

這些日子以來 テンポ

The tempo marking of 這些日子以來 by 張清芳 & 范怡文 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 3/4.

這些日子以來 キー

F♯ Major is the music key of this track. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.