巫啟賢's '遗忘过去 ("咖啡乌" 插曲)' came out on June 2, 2017. The duration of 遗忘过去 ("咖啡乌" 插曲) is about two minutes long, specifically at 2:53. This song does not appear to have any foul language. 遗忘过去 ("咖啡乌" 插曲)'s duration is considered a little bit shorter than the average duration of a typical track. There is only one song in "第一主角"电视原声带, so we believe that "遗忘过去 ("咖啡乌" 插曲)" is a single. 遗忘过去 ("咖啡乌" 插曲) is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 遗忘过去 ("咖啡乌" 插曲) by 巫啟賢 is Andante (at a walking pace), since this song has a tempo of 77 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.
C Major is the music key of this track. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.