余天's ' "知己" was released on its scheduled release date, January 1, 2000. The duration of This song is about two minutes long, specifically at 2:13. This song does not appear to have any foul language. 知己's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 紀利男經典名曲交響樂章, so we believe that "知己" is a single. Based on our statistics, 知己's popularity is unknown right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of 知己 by 余天 is Allegro (fast, quick, and bright), since this song has a tempo of 138 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 3/4.
B♭ Major is the music key of this track. 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.
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