姚蘇蓉 made "往日的舊夢" available on October 27, 2003. With this song being around four minutes long, at 3:46, 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 姚蘇蓉, Vol. 1 (國語珍藏版精選), so we believe that "往日的舊夢" is a single. In terms of popularity, 往日的舊夢 is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of 往日的舊夢 by 姚蘇蓉 is Moderato (at a moderate speed), since this song has a tempo of 112 BPM. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.
E♭ Major is the music key of this track. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.
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